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Finding the Fourth Proportional to 614,251.71, 921,451.39 and 580,659.39

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Solution

The fourth proportional to 614,251.71, 921,451.39 and 580,659.39 is: 871,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,251.71 : 921,451.39 = 580,659.39 : x
  2. Step 2: Convert to fraction form
    614,251.71/921,451.39 = 580,659.39/x
  3. Step 3: Cross multiply
    614,251.71x = 921,451.39 × 580,659.39
  4. Step 4: Simplify right side
    614,251.71x = 535,049,400,580.40
  5. Step 5: Solve for x
    x = 535,049,400,580.40/614,251.71
  6. Step 6: Final answer
    x = 871,058.87

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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.