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Finding the Fourth Proportional to 567,204.62, 782,759.13 and 312,572.30

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Solution

The fourth proportional to 567,204.62, 782,759.13 and 312,572.30 is: 431,359.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,204.62 : 782,759.13 = 312,572.30 : x
  2. Step 2: Convert to fraction form
    567,204.62/782,759.13 = 312,572.30/x
  3. Step 3: Cross multiply
    567,204.62x = 782,759.13 × 312,572.30
  4. Step 4: Simplify right side
    567,204.62x = 244,668,821,610.10
  5. Step 5: Solve for x
    x = 244,668,821,610.10/567,204.62
  6. Step 6: Final answer
    x = 431,359.01

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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.