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Finding the Fourth Proportional to 363,419.56, 545,134.14 and 114,101.56

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Solution

The fourth proportional to 363,419.56, 545,134.14 and 114,101.56 is: 171,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,419.56 : 545,134.14 = 114,101.56 : x
  2. Step 2: Convert to fraction form
    363,419.56/545,134.14 = 114,101.56/x
  3. Step 3: Cross multiply
    363,419.56x = 545,134.14 × 114,101.56
  4. Step 4: Simplify right side
    363,419.56x = 62,200,655,783.26
  5. Step 5: Solve for x
    x = 62,200,655,783.26/363,419.56
  6. Step 6: Final answer
    x = 171,153.85

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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.