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Finding the Fourth Proportional to 560,929.80, 841,394.70 and 472,356.30

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Solution

The fourth proportional to 560,929.80, 841,394.70 and 472,356.30 is: 708,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,929.80 : 841,394.70 = 472,356.30 : x
  2. Step 2: Convert to fraction form
    560,929.80/841,394.70 = 472,356.30/x
  3. Step 3: Cross multiply
    560,929.80x = 841,394.70 × 472,356.30
  4. Step 4: Simplify right side
    560,929.80x = 397,438,087,331.61
  5. Step 5: Solve for x
    x = 397,438,087,331.61/560,929.80
  6. Step 6: Final answer
    x = 708,534.45

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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.