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Finding the Fourth Proportional to 466,430.89, 699,696.33 and 129,472.96

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Solution

The fourth proportional to 466,430.89, 699,696.33 and 129,472.96 is: 194,223.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,430.89 : 699,696.33 = 129,472.96 : x
  2. Step 2: Convert to fraction form
    466,430.89/699,696.33 = 129,472.96/x
  3. Step 3: Cross multiply
    466,430.89x = 699,696.33 × 129,472.96
  4. Step 4: Simplify right side
    466,430.89x = 90,591,754,946.24
  5. Step 5: Solve for x
    x = 90,591,754,946.24/466,430.89
  6. Step 6: Final answer
    x = 194,223.32

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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.