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Finding the Fourth Proportional to 587,230.80, 881,191.80 and 213,291.60

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Solution

The fourth proportional to 587,230.80, 881,191.80 and 213,291.60 is: 320,062.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,230.80 : 881,191.80 = 213,291.60 : x
  2. Step 2: Convert to fraction form
    587,230.80/881,191.80 = 213,291.60/x
  3. Step 3: Cross multiply
    587,230.80x = 881,191.80 × 213,291.60
  4. Step 4: Simplify right side
    587,230.80x = 187,950,808,928.88
  5. Step 5: Solve for x
    x = 187,950,808,928.88/587,230.80
  6. Step 6: Final answer
    x = 320,062.93

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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.