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Finding the Fourth Proportional to 365,278.14, 547,031.48 and 252,642.24

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Solution

The fourth proportional to 365,278.14, 547,031.48 and 252,642.24 is: 378,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,278.14 : 547,031.48 = 252,642.24 : x
  2. Step 2: Convert to fraction form
    365,278.14/547,031.48 = 252,642.24/x
  3. Step 3: Cross multiply
    365,278.14x = 547,031.48 × 252,642.24
  4. Step 4: Simplify right side
    365,278.14x = 138,203,257,194.50
  5. Step 5: Solve for x
    x = 138,203,257,194.50/365,278.14
  6. Step 6: Final answer
    x = 378,350.75

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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.