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Finding the Fourth Proportional to 366,987.46, 550,564.08 and 130,330.30

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Solution

The fourth proportional to 366,987.46, 550,564.08 and 130,330.30 is: 195,524.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,987.46 : 550,564.08 = 130,330.30 : x
  2. Step 2: Convert to fraction form
    366,987.46/550,564.08 = 130,330.30/x
  3. Step 3: Cross multiply
    366,987.46x = 550,564.08 × 130,330.30
  4. Step 4: Simplify right side
    366,987.46x = 71,755,181,715.62
  5. Step 5: Solve for x
    x = 71,755,181,715.62/366,987.46
  6. Step 6: Final answer
    x = 195,524.89

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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.