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Finding the Fourth Proportional to 462,925.72, 694,415.67 and 178,617.79

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Solution

The fourth proportional to 462,925.72, 694,415.67 and 178,617.79 is: 267,937.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,925.72 : 694,415.67 = 178,617.79 : x
  2. Step 2: Convert to fraction form
    462,925.72/694,415.67 = 178,617.79/x
  3. Step 3: Cross multiply
    462,925.72x = 694,415.67 × 178,617.79
  4. Step 4: Simplify right side
    462,925.72x = 124,034,992,316.77
  5. Step 5: Solve for x
    x = 124,034,992,316.77/462,925.72
  6. Step 6: Final answer
    x = 267,937.14

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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.