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Finding the Fourth Proportional to 625,737.66, 863,534.98 and 353,846.24

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Solution

The fourth proportional to 625,737.66, 863,534.98 and 353,846.24 is: 488,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.66 : 863,534.98 = 353,846.24 : x
  2. Step 2: Convert to fraction form
    625,737.66/863,534.98 = 353,846.24/x
  3. Step 3: Cross multiply
    625,737.66x = 863,534.98 × 353,846.24
  4. Step 4: Simplify right side
    625,737.66x = 305,558,605,781.48
  5. Step 5: Solve for x
    x = 305,558,605,781.48/625,737.66
  6. Step 6: Final answer
    x = 488,317.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.