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Finding the Fourth Proportional to 347,929.20, 521,893.80 and 237,337.20

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Solution

The fourth proportional to 347,929.20, 521,893.80 and 237,337.20 is: 356,005.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,929.20 : 521,893.80 = 237,337.20 : x
  2. Step 2: Convert to fraction form
    347,929.20/521,893.80 = 237,337.20/x
  3. Step 3: Cross multiply
    347,929.20x = 521,893.80 × 237,337.20
  4. Step 4: Simplify right side
    347,929.20x = 123,864,813,189.36
  5. Step 5: Solve for x
    x = 123,864,813,189.36/347,929.20
  6. Step 6: Final answer
    x = 356,005.80

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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.