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Finding the Fourth Proportional to 378,151.24, 567,226.84 and 259,462.76

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Solution

The fourth proportional to 378,151.24, 567,226.84 and 259,462.76 is: 389,194.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,151.24 : 567,226.84 = 259,462.76 : x
  2. Step 2: Convert to fraction form
    378,151.24/567,226.84 = 259,462.76/x
  3. Step 3: Cross multiply
    378,151.24x = 567,226.84 × 259,462.76
  4. Step 4: Simplify right side
    378,151.24x = 147,174,241,452.48
  5. Step 5: Solve for x
    x = 147,174,241,452.48/378,151.24
  6. Step 6: Final answer
    x = 389,194.13

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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.