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Finding the Fourth Proportional to 352,001.80, 527,285.90 and 218,472.20

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Solution

The fourth proportional to 352,001.80, 527,285.90 and 218,472.20 is: 327,263.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.80 : 527,285.90 = 218,472.20 : x
  2. Step 2: Convert to fraction form
    352,001.80/527,285.90 = 218,472.20/x
  3. Step 3: Cross multiply
    352,001.80x = 527,285.90 × 218,472.20
  4. Step 4: Simplify right side
    352,001.80x = 115,197,310,601.98
  5. Step 5: Solve for x
    x = 115,197,310,601.98/352,001.80
  6. Step 6: Final answer
    x = 327,263.41

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1.5x scale

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.