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Finding the Fourth Proportional to 530,695.60, 731,114 and 369,273.44

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Solution

The fourth proportional to 530,695.60, 731,114 and 369,273.44 is: 508,730.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,695.60 : 731,114 = 369,273.44 : x
  2. Step 2: Convert to fraction form
    530,695.60/731,114 = 369,273.44/x
  3. Step 3: Cross multiply
    530,695.60x = 731,114 × 369,273.44
  4. Step 4: Simplify right side
    530,695.60x = 269,980,981,812.16
  5. Step 5: Solve for x
    x = 269,980,981,812.16/530,695.60
  6. Step 6: Final answer
    x = 508,730.39

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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.