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Finding the Fourth Proportional to 331,539.62, 497,401.16 and 132,000.03

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Solution

The fourth proportional to 331,539.62, 497,401.16 and 132,000.03 is: 198,036.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,539.62 : 497,401.16 = 132,000.03 : x
  2. Step 2: Convert to fraction form
    331,539.62/497,401.16 = 132,000.03/x
  3. Step 3: Cross multiply
    331,539.62x = 497,401.16 × 132,000.03
  4. Step 4: Simplify right side
    331,539.62x = 65,656,967,382.03
  5. Step 5: Solve for x
    x = 65,656,967,382.03/331,539.62
  6. Step 6: Final answer
    x = 198,036.57

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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.