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Finding the Fourth Proportional to 539,023.68, 808,655.04 and 159,974.64

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Solution

The fourth proportional to 539,023.68, 808,655.04 and 159,974.64 is: 239,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,023.68 : 808,655.04 = 159,974.64 : x
  2. Step 2: Convert to fraction form
    539,023.68/808,655.04 = 159,974.64/x
  3. Step 3: Cross multiply
    539,023.68x = 808,655.04 × 159,974.64
  4. Step 4: Simplify right side
    539,023.68x = 129,364,298,908.19
  5. Step 5: Solve for x
    x = 129,364,298,908.19/539,023.68
  6. Step 6: Final answer
    x = 239,997.43

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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.