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Finding the Fourth Proportional to 466,545.30, 699,686.73 and 129,504.30

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Solution

The fourth proportional to 466,545.30, 699,686.73 and 129,504.30 is: 194,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,545.30 : 699,686.73 = 129,504.30 : x
  2. Step 2: Convert to fraction form
    466,545.30/699,686.73 = 129,504.30/x
  3. Step 3: Cross multiply
    466,545.30x = 699,686.73 × 129,504.30
  4. Step 4: Simplify right side
    466,545.30x = 90,612,440,187.94
  5. Step 5: Solve for x
    x = 90,612,440,187.94/466,545.30
  6. Step 6: Final answer
    x = 194,220.03

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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.