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Finding the Fourth Proportional to 304,480.90, 426,973.10 and 304,480.90

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Solution

The fourth proportional to 304,480.90, 426,973.10 and 304,480.90 is: 426,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,480.90 : 426,973.10 = 304,480.90 : x
  2. Step 2: Convert to fraction form
    304,480.90/426,973.10 = 304,480.90/x
  3. Step 3: Cross multiply
    304,480.90x = 426,973.10 × 304,480.90
  4. Step 4: Simplify right side
    304,480.90x = 130,005,153,763.79
  5. Step 5: Solve for x
    x = 130,005,153,763.79/304,480.90
  6. Step 6: Final answer
    x = 426,973.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.