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Finding the Fourth Proportional to 587,234.80, 881,197.80 and 213,295.60

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Solution

The fourth proportional to 587,234.80, 881,197.80 and 213,295.60 is: 320,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,234.80 : 881,197.80 = 213,295.60 : x
  2. Step 2: Convert to fraction form
    587,234.80/881,197.80 = 213,295.60/x
  3. Step 3: Cross multiply
    587,234.80x = 881,197.80 × 213,295.60
  4. Step 4: Simplify right side
    587,234.80x = 187,955,613,469.68
  5. Step 5: Solve for x
    x = 187,955,613,469.68/587,234.80
  6. Step 6: Final answer
    x = 320,068.93

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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.