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Finding the Fourth Proportional to 580,034.52, 800,268.26 and 338,145.87

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Solution

The fourth proportional to 580,034.52, 800,268.26 and 338,145.87 is: 466,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,034.52 : 800,268.26 = 338,145.87 : x
  2. Step 2: Convert to fraction form
    580,034.52/800,268.26 = 338,145.87/x
  3. Step 3: Cross multiply
    580,034.52x = 800,268.26 × 338,145.87
  4. Step 4: Simplify right side
    580,034.52x = 270,607,408,321.36
  5. Step 5: Solve for x
    x = 270,607,408,321.36/580,034.52
  6. Step 6: Final answer
    x = 466,536.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.