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Finding the Fourth Proportional to 332,710.20, 499,065.30 and 133,061.40

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Solution

The fourth proportional to 332,710.20, 499,065.30 and 133,061.40 is: 199,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,710.20 : 499,065.30 = 133,061.40 : x
  2. Step 2: Convert to fraction form
    332,710.20/499,065.30 = 133,061.40/x
  3. Step 3: Cross multiply
    332,710.20x = 499,065.30 × 133,061.40
  4. Step 4: Simplify right side
    332,710.20x = 66,406,327,509.42
  5. Step 5: Solve for x
    x = 66,406,327,509.42/332,710.20
  6. Step 6: Final answer
    x = 199,592.10

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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.