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Finding the Fourth Proportional to 574,138.61, 861,332.38 and 174,768.94

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Solution

The fourth proportional to 574,138.61, 861,332.38 and 174,768.94 is: 262,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,138.61 : 861,332.38 = 174,768.94 : x
  2. Step 2: Convert to fraction form
    574,138.61/861,332.38 = 174,768.94/x
  3. Step 3: Cross multiply
    574,138.61x = 861,332.38 × 174,768.94
  4. Step 4: Simplify right side
    574,138.61x = 150,534,146,166.43
  5. Step 5: Solve for x
    x = 150,534,146,166.43/574,138.61
  6. Step 6: Final answer
    x = 262,191.30

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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.