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Finding the Fourth Proportional to 641,373.29, 962,391.90 and 465,333.29

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Solution

The fourth proportional to 641,373.29, 962,391.90 and 465,333.29 is: 698,240.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,373.29 : 962,391.90 = 465,333.29 : x
  2. Step 2: Convert to fraction form
    641,373.29/962,391.90 = 465,333.29/x
  3. Step 3: Cross multiply
    641,373.29x = 962,391.90 × 465,333.29
  4. Step 4: Simplify right side
    641,373.29x = 447,832,989,096.35
  5. Step 5: Solve for x
    x = 447,832,989,096.35/641,373.29
  6. Step 6: Final answer
    x = 698,240.78

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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.