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Finding the Fourth Proportional to 253,115.10, 379,672.65 and 241,451.10

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Solution

The fourth proportional to 253,115.10, 379,672.65 and 241,451.10 is: 362,176.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,115.10 : 379,672.65 = 241,451.10 : x
  2. Step 2: Convert to fraction form
    253,115.10/379,672.65 = 241,451.10/x
  3. Step 3: Cross multiply
    253,115.10x = 379,672.65 × 241,451.10
  4. Step 4: Simplify right side
    253,115.10x = 91,672,378,982.42
  5. Step 5: Solve for x
    x = 91,672,378,982.42/253,115.10
  6. Step 6: Final answer
    x = 362,176.65

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1.5x scale

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.