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Finding the Fourth Proportional to 294,079.80, 441,301.14 and 136,278.84

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Solution

The fourth proportional to 294,079.80, 441,301.14 and 136,278.84 is: 204,502.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,079.80 : 441,301.14 = 136,278.84 : x
  2. Step 2: Convert to fraction form
    294,079.80/441,301.14 = 136,278.84/x
  3. Step 3: Cross multiply
    294,079.80x = 441,301.14 × 136,278.84
  4. Step 4: Simplify right side
    294,079.80x = 60,140,007,449.88
  5. Step 5: Solve for x
    x = 60,140,007,449.88/294,079.80
  6. Step 6: Final answer
    x = 204,502.34

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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.