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Finding the Fourth Proportional to 437,740.35, 656,468.37 and 167,854.30

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Solution

The fourth proportional to 437,740.35, 656,468.37 and 167,854.30 is: 251,726.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,740.35 : 656,468.37 = 167,854.30 : x
  2. Step 2: Convert to fraction form
    437,740.35/656,468.37 = 167,854.30/x
  3. Step 3: Cross multiply
    437,740.35x = 656,468.37 × 167,854.30
  4. Step 4: Simplify right side
    437,740.35x = 110,191,039,395.73
  5. Step 5: Solve for x
    x = 110,191,039,395.73/437,740.35
  6. Step 6: Final answer
    x = 251,726.94

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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.