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Finding the Fourth Proportional to 542,674.79, 814,500.06 and 290,171.11

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Solution

The fourth proportional to 542,674.79, 814,500.06 and 290,171.11 is: 435,517.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,674.79 : 814,500.06 = 290,171.11 : x
  2. Step 2: Convert to fraction form
    542,674.79/814,500.06 = 290,171.11/x
  3. Step 3: Cross multiply
    542,674.79x = 814,500.06 × 290,171.11
  4. Step 4: Simplify right side
    542,674.79x = 236,344,382,432.77
  5. Step 5: Solve for x
    x = 236,344,382,432.77/542,674.79
  6. Step 6: Final answer
    x = 435,517.53

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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.