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Finding the Fourth Proportional to 363,251.02, 544,924.14 and 120,011.28

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Solution

The fourth proportional to 363,251.02, 544,924.14 and 120,011.28 is: 180,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,251.02 : 544,924.14 = 120,011.28 : x
  2. Step 2: Convert to fraction form
    363,251.02/544,924.14 = 120,011.28/x
  3. Step 3: Cross multiply
    363,251.02x = 544,924.14 × 120,011.28
  4. Step 4: Simplify right side
    363,251.02x = 65,397,045,304.20
  5. Step 5: Solve for x
    x = 65,397,045,304.20/363,251.02
  6. Step 6: Final answer
    x = 180,032.66

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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.