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Finding the Fourth Proportional to 365,246.10, 547,869.15 and 276,672.60

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Solution

The fourth proportional to 365,246.10, 547,869.15 and 276,672.60 is: 415,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,246.10 : 547,869.15 = 276,672.60 : x
  2. Step 2: Convert to fraction form
    365,246.10/547,869.15 = 276,672.60/x
  3. Step 3: Cross multiply
    365,246.10x = 547,869.15 × 276,672.60
  4. Step 4: Simplify right side
    365,246.10x = 151,580,382,190.29
  5. Step 5: Solve for x
    x = 151,580,382,190.29/365,246.10
  6. Step 6: Final answer
    x = 415,008.90

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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.