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Finding the Fourth Proportional to 265,736,567.80, 398,604,851.70 and 237,015,134.20

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Solution

The fourth proportional to 265,736,567.80, 398,604,851.70 and 237,015,134.20 is: 355,522,701.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,736,567.80 : 398,604,851.70 = 237,015,134.20 : x
  2. Step 2: Convert to fraction form
    265,736,567.80/398,604,851.70 = 237,015,134.20/x
  3. Step 3: Cross multiply
    265,736,567.80x = 398,604,851.70 × 237,015,134.20
  4. Step 4: Simplify right side
    265,736,567.80x = 94,475,382,418,446,592
  5. Step 5: Solve for x
    x = 94,475,382,418,446,592/265,736,567.80
  6. Step 6: Final answer
    x = 355,522,701.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.