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Finding the Fourth Proportional to 363,488.76, 545,319.36 and 114,170.76

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Solution

The fourth proportional to 363,488.76, 545,319.36 and 114,170.76 is: 171,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,488.76 : 545,319.36 = 114,170.76 : x
  2. Step 2: Convert to fraction form
    363,488.76/545,319.36 = 114,170.76/x
  3. Step 3: Cross multiply
    363,488.76x = 545,319.36 × 114,170.76
  4. Step 4: Simplify right side
    363,488.76x = 62,259,525,773.91
  5. Step 5: Solve for x
    x = 62,259,525,773.91/363,488.76
  6. Step 6: Final answer
    x = 171,283.22

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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.