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Finding the Fourth Proportional to 363,446.46, 545,191.56 and 114,128.46

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Solution

The fourth proportional to 363,446.46, 545,191.56 and 114,128.46 is: 171,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,446.46 : 545,191.56 = 114,128.46 : x
  2. Step 2: Convert to fraction form
    363,446.46/545,191.56 = 114,128.46/x
  3. Step 3: Cross multiply
    363,446.46x = 545,191.56 × 114,128.46
  4. Step 4: Simplify right side
    363,446.46x = 62,221,873,147.80
  5. Step 5: Solve for x
    x = 62,221,873,147.80/363,446.46
  6. Step 6: Final answer
    x = 171,199.56

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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.