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Finding the Fourth Proportional to 363,461.76, 545,251.43 and 123,597.08

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Solution

The fourth proportional to 363,461.76, 545,251.43 and 123,597.08 is: 185,415.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,461.76 : 545,251.43 = 123,597.08 : x
  2. Step 2: Convert to fraction form
    363,461.76/545,251.43 = 123,597.08/x
  3. Step 3: Cross multiply
    363,461.76x = 545,251.43 × 123,597.08
  4. Step 4: Simplify right side
    363,461.76x = 67,391,481,269.58
  5. Step 5: Solve for x
    x = 67,391,481,269.58/363,461.76
  6. Step 6: Final answer
    x = 185,415.60

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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.