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Finding the Fourth Proportional to 542,881.02, 814,230.80 and 168,874.86

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Solution

The fourth proportional to 542,881.02, 814,230.80 and 168,874.86 is: 253,284.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,881.02 : 814,230.80 = 168,874.86 : x
  2. Step 2: Convert to fraction form
    542,881.02/814,230.80 = 168,874.86/x
  3. Step 3: Cross multiply
    542,881.02x = 814,230.80 × 168,874.86
  4. Step 4: Simplify right side
    542,881.02x = 137,503,112,357.69
  5. Step 5: Solve for x
    x = 137,503,112,357.69/542,881.02
  6. Step 6: Final answer
    x = 253,284.07

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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.