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Finding the Fourth Proportional to 542,579.96, 813,043.74 and 275,940.92

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Solution

The fourth proportional to 542,579.96, 813,043.74 and 275,940.92 is: 413,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,579.96 : 813,043.74 = 275,940.92 : x
  2. Step 2: Convert to fraction form
    542,579.96/813,043.74 = 275,940.92/x
  3. Step 3: Cross multiply
    542,579.96x = 813,043.74 × 275,940.92
  4. Step 4: Simplify right side
    542,579.96x = 224,352,037,615.84
  5. Step 5: Solve for x
    x = 224,352,037,615.84/542,579.96
  6. Step 6: Final answer
    x = 413,491.20

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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.