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Finding the Fourth Proportional to 367,061.55, 515,067.15 and 367,061.55

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Solution

The fourth proportional to 367,061.55, 515,067.15 and 367,061.55 is: 515,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,061.55 : 515,067.15 = 367,061.55 : x
  2. Step 2: Convert to fraction form
    367,061.55/515,067.15 = 367,061.55/x
  3. Step 3: Cross multiply
    367,061.55x = 515,067.15 × 367,061.55
  4. Step 4: Simplify right side
    367,061.55x = 189,061,346,433.08
  5. Step 5: Solve for x
    x = 189,061,346,433.08/367,061.55
  6. Step 6: Final answer
    x = 515,067.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.