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Finding the Fourth Proportional to 432,882.80, 649,324.20 and 117,339.20

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Solution

The fourth proportional to 432,882.80, 649,324.20 and 117,339.20 is: 176,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,882.80 : 649,324.20 = 117,339.20 : x
  2. Step 2: Convert to fraction form
    432,882.80/649,324.20 = 117,339.20/x
  3. Step 3: Cross multiply
    432,882.80x = 649,324.20 × 117,339.20
  4. Step 4: Simplify right side
    432,882.80x = 76,191,182,168.64
  5. Step 5: Solve for x
    x = 76,191,182,168.64/432,882.80
  6. Step 6: Final answer
    x = 176,008.80

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1.5x scale

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.