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Finding the Fourth Proportional to 625,560.60, 863,275.44 and 339,081.84

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Solution

The fourth proportional to 625,560.60, 863,275.44 and 339,081.84 is: 467,933.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,560.60 : 863,275.44 = 339,081.84 : x
  2. Step 2: Convert to fraction form
    625,560.60/863,275.44 = 339,081.84/x
  3. Step 3: Cross multiply
    625,560.60x = 863,275.44 × 339,081.84
  4. Step 4: Simplify right side
    625,560.60x = 292,721,024,622.01
  5. Step 5: Solve for x
    x = 292,721,024,622.01/625,560.60
  6. Step 6: Final answer
    x = 467,933.92

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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.