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Finding the Fourth Proportional to 332,426.70, 497,938.05 and 220,160.70

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Solution

The fourth proportional to 332,426.70, 497,938.05 and 220,160.70 is: 329,776.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,426.70 : 497,938.05 = 220,160.70 : x
  2. Step 2: Convert to fraction form
    332,426.70/497,938.05 = 220,160.70/x
  3. Step 3: Cross multiply
    332,426.70x = 497,938.05 × 220,160.70
  4. Step 4: Simplify right side
    332,426.70x = 109,626,389,644.64
  5. Step 5: Solve for x
    x = 109,626,389,644.64/332,426.70
  6. Step 6: Final answer
    x = 329,776.13

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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.