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Finding the Fourth Proportional to 331,073.46, 496,536.30 and 153,557.46

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Solution

The fourth proportional to 331,073.46, 496,536.30 and 153,557.46 is: 230,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,073.46 : 496,536.30 = 153,557.46 : x
  2. Step 2: Convert to fraction form
    331,073.46/496,536.30 = 153,557.46/x
  3. Step 3: Cross multiply
    331,073.46x = 496,536.30 × 153,557.46
  4. Step 4: Simplify right side
    331,073.46x = 76,246,853,025.80
  5. Step 5: Solve for x
    x = 76,246,853,025.80/331,073.46
  6. Step 6: Final answer
    x = 230,301.92

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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.