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Finding the Fourth Proportional to 363,607.68, 545,436.36 and 123,623.88

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Solution

The fourth proportional to 363,607.68, 545,436.36 and 123,623.88 is: 185,444.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,607.68 : 545,436.36 = 123,623.88 : x
  2. Step 2: Convert to fraction form
    363,607.68/545,436.36 = 123,623.88/x
  3. Step 3: Cross multiply
    363,607.68x = 545,436.36 × 123,623.88
  4. Step 4: Simplify right side
    363,607.68x = 67,428,959,116.28
  5. Step 5: Solve for x
    x = 67,428,959,116.28/363,607.68
  6. Step 6: Final answer
    x = 185,444.27

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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.