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Finding the Fourth Proportional to 530,008.92, 731,651.13 and 348,815.97

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Solution

The fourth proportional to 530,008.92, 731,651.13 and 348,815.97 is: 481,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,008.92 : 731,651.13 = 348,815.97 : x
  2. Step 2: Convert to fraction form
    530,008.92/731,651.13 = 348,815.97/x
  3. Step 3: Cross multiply
    530,008.92x = 731,651.13 × 348,815.97
  4. Step 4: Simplify right side
    530,008.92x = 255,211,598,612.55
  5. Step 5: Solve for x
    x = 255,211,598,612.55/530,008.92
  6. Step 6: Final answer
    x = 481,523.21

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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.