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Finding the Fourth Proportional to 540,954.35, 811,505.33 and 225,337.44

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Solution

The fourth proportional to 540,954.35, 811,505.33 and 225,337.44 is: 338,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,954.35 : 811,505.33 = 225,337.44 : x
  2. Step 2: Convert to fraction form
    540,954.35/811,505.33 = 225,337.44/x
  3. Step 3: Cross multiply
    540,954.35x = 811,505.33 × 225,337.44
  4. Step 4: Simplify right side
    540,954.35x = 182,862,532,481.87
  5. Step 5: Solve for x
    x = 182,862,532,481.87/540,954.35
  6. Step 6: Final answer
    x = 338,036.90

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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.