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Finding the Fourth Proportional to 491,207.04, 736,836.48 and 158,808.96

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Solution

The fourth proportional to 491,207.04, 736,836.48 and 158,808.96 is: 238,221.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,207.04 : 736,836.48 = 158,808.96 : x
  2. Step 2: Convert to fraction form
    491,207.04/736,836.48 = 158,808.96/x
  3. Step 3: Cross multiply
    491,207.04x = 736,836.48 × 158,808.96
  4. Step 4: Simplify right side
    491,207.04x = 117,016,235,078.86
  5. Step 5: Solve for x
    x = 117,016,235,078.86/491,207.04
  6. Step 6: Final answer
    x = 238,221.82

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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.