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Finding the Fourth Proportional to 624,517.92, 935,358.06 and 488,735.78

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Solution

The fourth proportional to 624,517.92, 935,358.06 and 488,735.78 is: 731,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,517.92 : 935,358.06 = 488,735.78 : x
  2. Step 2: Convert to fraction form
    624,517.92/935,358.06 = 488,735.78/x
  3. Step 3: Cross multiply
    624,517.92x = 935,358.06 × 488,735.78
  4. Step 4: Simplify right side
    624,517.92x = 457,142,946,356.60
  5. Step 5: Solve for x
    x = 457,142,946,356.60/624,517.92
  6. Step 6: Final answer
    x = 731,993.32

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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.