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Finding the Fourth Proportional to 522,044.70, 781,317.45 and 459,059.10

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Solution

The fourth proportional to 522,044.70, 781,317.45 and 459,059.10 is: 687,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,044.70 : 781,317.45 = 459,059.10 : x
  2. Step 2: Convert to fraction form
    522,044.70/781,317.45 = 459,059.10/x
  3. Step 3: Cross multiply
    522,044.70x = 781,317.45 × 459,059.10
  4. Step 4: Simplify right side
    522,044.70x = 358,670,885,411.30
  5. Step 5: Solve for x
    x = 358,670,885,411.30/522,044.70
  6. Step 6: Final answer
    x = 687,050.14

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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.