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Finding the Fourth Proportional to 267,658.18, 401,360.13 and 155,372.83

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Solution

The fourth proportional to 267,658.18, 401,360.13 and 155,372.83 is: 232,985.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,658.18 : 401,360.13 = 155,372.83 : x
  2. Step 2: Convert to fraction form
    267,658.18/401,360.13 = 155,372.83/x
  3. Step 3: Cross multiply
    267,658.18x = 401,360.13 × 155,372.83
  4. Step 4: Simplify right side
    267,658.18x = 62,360,458,243.87
  5. Step 5: Solve for x
    x = 62,360,458,243.87/267,658.18
  6. Step 6: Final answer
    x = 232,985.44

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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.