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Finding the Fourth Proportional to 363,715.58, 545,223.44 and 186,306.14

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Solution

The fourth proportional to 363,715.58, 545,223.44 and 186,306.14 is: 279,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,715.58 : 545,223.44 = 186,306.14 : x
  2. Step 2: Convert to fraction form
    363,715.58/545,223.44 = 186,306.14/x
  3. Step 3: Cross multiply
    363,715.58x = 545,223.44 × 186,306.14
  4. Step 4: Simplify right side
    363,715.58x = 101,578,474,543.92
  5. Step 5: Solve for x
    x = 101,578,474,543.92/363,715.58
  6. Step 6: Final answer
    x = 279,279.97

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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.