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Finding the Fourth Proportional to 332,718.20, 499,077.30 and 133,069.40

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Solution

The fourth proportional to 332,718.20, 499,077.30 and 133,069.40 is: 199,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,718.20 : 499,077.30 = 133,069.40 : x
  2. Step 2: Convert to fraction form
    332,718.20/499,077.30 = 133,069.40/x
  3. Step 3: Cross multiply
    332,718.20x = 499,077.30 × 133,069.40
  4. Step 4: Simplify right side
    332,718.20x = 66,411,916,864.62
  5. Step 5: Solve for x
    x = 66,411,916,864.62/332,718.20
  6. Step 6: Final answer
    x = 199,604.10

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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.