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Finding the Fourth Proportional to 587,552.70, 881,458.65 and 188,211.90

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Solution

The fourth proportional to 587,552.70, 881,458.65 and 188,211.90 is: 282,359.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,552.70 : 881,458.65 = 188,211.90 : x
  2. Step 2: Convert to fraction form
    587,552.70/881,458.65 = 188,211.90/x
  3. Step 3: Cross multiply
    587,552.70x = 881,458.65 × 188,211.90
  4. Step 4: Simplify right side
    587,552.70x = 165,901,007,287.94
  5. Step 5: Solve for x
    x = 165,901,007,287.94/587,552.70
  6. Step 6: Final answer
    x = 282,359.37

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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.