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Finding the Fourth Proportional to 331,343.70, 497,404.35 and 329,010.90

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Solution

The fourth proportional to 331,343.70, 497,404.35 and 329,010.90 is: 493,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,343.70 : 497,404.35 = 329,010.90 : x
  2. Step 2: Convert to fraction form
    331,343.70/497,404.35 = 329,010.90/x
  3. Step 3: Cross multiply
    331,343.70x = 497,404.35 × 329,010.90
  4. Step 4: Simplify right side
    331,343.70x = 163,651,452,857.42
  5. Step 5: Solve for x
    x = 163,651,452,857.42/331,343.70
  6. Step 6: Final answer
    x = 493,902.41

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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.