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Finding the Fourth Proportional to 432,393.40, 649,246.20 and 332,666.20

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Solution

The fourth proportional to 432,393.40, 649,246.20 and 332,666.20 is: 499,504.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,393.40 : 649,246.20 = 332,666.20 : x
  2. Step 2: Convert to fraction form
    432,393.40/649,246.20 = 332,666.20/x
  3. Step 3: Cross multiply
    432,393.40x = 649,246.20 × 332,666.20
  4. Step 4: Simplify right side
    432,393.40x = 215,982,266,218.44
  5. Step 5: Solve for x
    x = 215,982,266,218.44/432,393.40
  6. Step 6: Final answer
    x = 499,504.08

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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.