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Finding the Fourth Proportional to 267,658.29, 401,360.36 and 155,372.94

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Solution

The fourth proportional to 267,658.29, 401,360.36 and 155,372.94 is: 232,985.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,658.29 : 401,360.36 = 155,372.94 : x
  2. Step 2: Convert to fraction form
    267,658.29/401,360.36 = 155,372.94/x
  3. Step 3: Cross multiply
    267,658.29x = 401,360.36 × 155,372.94
  4. Step 4: Simplify right side
    267,658.29x = 62,360,538,355.79
  5. Step 5: Solve for x
    x = 62,360,538,355.79/267,658.29
  6. Step 6: Final answer
    x = 232,985.64

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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.