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Finding the Fourth Proportional to 363,489.76, 545,320.86 and 114,171.76

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Solution

The fourth proportional to 363,489.76, 545,320.86 and 114,171.76 is: 171,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,489.76 : 545,320.86 = 114,171.76 : x
  2. Step 2: Convert to fraction form
    363,489.76/545,320.86 = 114,171.76/x
  3. Step 3: Cross multiply
    363,489.76x = 545,320.86 × 114,171.76
  4. Step 4: Simplify right side
    363,489.76x = 62,260,242,350.91
  5. Step 5: Solve for x
    x = 62,260,242,350.91/363,489.76
  6. Step 6: Final answer
    x = 171,284.72

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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.