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Finding the Fourth Proportional to 629,040.25, 943,838.15 and 488,109.97

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Solution

The fourth proportional to 629,040.25, 943,838.15 and 488,109.97 is: 732,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,040.25 : 943,838.15 = 488,109.97 : x
  2. Step 2: Convert to fraction form
    629,040.25/943,838.15 = 488,109.97/x
  3. Step 3: Cross multiply
    629,040.25x = 943,838.15 × 488,109.97
  4. Step 4: Simplify right side
    629,040.25x = 460,696,807,257.13
  5. Step 5: Solve for x
    x = 460,696,807,257.13/629,040.25
  6. Step 6: Final answer
    x = 732,380.50

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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.