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Finding the Fourth Proportional to 542,043.74, 813,810.41 and 275,983.04

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Solution

The fourth proportional to 542,043.74, 813,810.41 and 275,983.04 is: 414,353.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,043.74 : 813,810.41 = 275,983.04 : x
  2. Step 2: Convert to fraction form
    542,043.74/813,810.41 = 275,983.04/x
  3. Step 3: Cross multiply
    542,043.74x = 813,810.41 × 275,983.04
  4. Step 4: Simplify right side
    542,043.74x = 224,597,865,486.48
  5. Step 5: Solve for x
    x = 224,597,865,486.48/542,043.74
  6. Step 6: Final answer
    x = 414,353.77

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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.