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Finding the Fourth Proportional to 522,044.60, 784,233.30 and 502,215.80

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Solution

The fourth proportional to 522,044.60, 784,233.30 and 502,215.80 is: 754,445.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,044.60 : 784,233.30 = 502,215.80 : x
  2. Step 2: Convert to fraction form
    522,044.60/784,233.30 = 502,215.80/x
  3. Step 3: Cross multiply
    522,044.60x = 784,233.30 × 502,215.80
  4. Step 4: Simplify right side
    522,044.60x = 393,854,354,146.14
  5. Step 5: Solve for x
    x = 393,854,354,146.14/522,044.60
  6. Step 6: Final answer
    x = 754,445.80

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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.