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Finding the Fourth Proportional to 624,052.62, 861,196.84 and 382,335.66

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Solution

The fourth proportional to 624,052.62, 861,196.84 and 382,335.66 is: 527,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,052.62 : 861,196.84 = 382,335.66 : x
  2. Step 2: Convert to fraction form
    624,052.62/861,196.84 = 382,335.66/x
  3. Step 3: Cross multiply
    624,052.62x = 861,196.84 × 382,335.66
  4. Step 4: Simplify right side
    624,052.62x = 329,266,262,211.31
  5. Step 5: Solve for x
    x = 329,266,262,211.31/624,052.62
  6. Step 6: Final answer
    x = 527,625.80

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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.