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Finding the Fourth Proportional to 586,572.80, 878,984.40 and 497,343.20

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Solution

The fourth proportional to 586,572.80, 878,984.40 and 497,343.20 is: 745,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,572.80 : 878,984.40 = 497,343.20 : x
  2. Step 2: Convert to fraction form
    586,572.80/878,984.40 = 497,343.20/x
  3. Step 3: Cross multiply
    586,572.80x = 878,984.40 × 497,343.20
  4. Step 4: Simplify right side
    586,572.80x = 437,156,914,246.08
  5. Step 5: Solve for x
    x = 437,156,914,246.08/586,572.80
  6. Step 6: Final answer
    x = 745,273.07

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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.