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Finding the Fourth Proportional to 587,799.32, 881,691.09 and 161,334.65

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Solution

The fourth proportional to 587,799.32, 881,691.09 and 161,334.65 is: 241,999.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,799.32 : 881,691.09 = 161,334.65 : x
  2. Step 2: Convert to fraction form
    587,799.32/881,691.09 = 161,334.65/x
  3. Step 3: Cross multiply
    587,799.32x = 881,691.09 × 161,334.65
  4. Step 4: Simplify right side
    587,799.32x = 142,247,319,004.81
  5. Step 5: Solve for x
    x = 142,247,319,004.81/587,799.32
  6. Step 6: Final answer
    x = 241,999.80

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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.