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Finding the Fourth Proportional to 331,650.88, 497,476.30 and 82,332.88

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Solution

The fourth proportional to 331,650.88, 497,476.30 and 82,332.88 is: 123,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,650.88 : 497,476.30 = 82,332.88 : x
  2. Step 2: Convert to fraction form
    331,650.88/497,476.30 = 82,332.88/x
  3. Step 3: Cross multiply
    331,650.88x = 497,476.30 × 82,332.88
  4. Step 4: Simplify right side
    331,650.88x = 40,958,656,510.74
  5. Step 5: Solve for x
    x = 40,958,656,510.74/331,650.88
  6. Step 6: Final answer
    x = 123,499.32

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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.