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Finding the Fourth Proportional to 556,167.28, 767,550.18 and 314,452.20

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Solution

The fourth proportional to 556,167.28, 767,550.18 and 314,452.20 is: 433,966.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,167.28 : 767,550.18 = 314,452.20 : x
  2. Step 2: Convert to fraction form
    556,167.28/767,550.18 = 314,452.20/x
  3. Step 3: Cross multiply
    556,167.28x = 767,550.18 × 314,452.20
  4. Step 4: Simplify right side
    556,167.28x = 241,357,842,711.40
  5. Step 5: Solve for x
    x = 241,357,842,711.40/556,167.28
  6. Step 6: Final answer
    x = 433,966.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.