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Finding the Fourth Proportional to 633,045.17, 873,462.68 and 374,793.89

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Solution

The fourth proportional to 633,045.17, 873,462.68 and 374,793.89 is: 517,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,045.17 : 873,462.68 = 374,793.89 : x
  2. Step 2: Convert to fraction form
    633,045.17/873,462.68 = 374,793.89/x
  3. Step 3: Cross multiply
    633,045.17x = 873,462.68 × 374,793.89
  4. Step 4: Simplify right side
    633,045.17x = 327,368,469,365.74
  5. Step 5: Solve for x
    x = 327,368,469,365.74/633,045.17
  6. Step 6: Final answer
    x = 517,132.87

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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.