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Finding the Fourth Proportional to 587,687.20, 881,822.40 and 232,712.80

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Solution

The fourth proportional to 587,687.20, 881,822.40 and 232,712.80 is: 349,184.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,687.20 : 881,822.40 = 232,712.80 : x
  2. Step 2: Convert to fraction form
    587,687.20/881,822.40 = 232,712.80/x
  3. Step 3: Cross multiply
    587,687.20x = 881,822.40 × 232,712.80
  4. Step 4: Simplify right side
    587,687.20x = 205,211,359,806.72
  5. Step 5: Solve for x
    x = 205,211,359,806.72/587,687.20
  6. Step 6: Final answer
    x = 349,184.67

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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.