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Finding the Fourth Proportional to 618,279.59, 857,591.02 and 601,891.67

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Solution

The fourth proportional to 618,279.59, 857,591.02 and 601,891.67 is: 834,859.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,279.59 : 857,591.02 = 601,891.67 : x
  2. Step 2: Convert to fraction form
    618,279.59/857,591.02 = 601,891.67/x
  3. Step 3: Cross multiply
    618,279.59x = 857,591.02 × 601,891.67
  4. Step 4: Simplify right side
    618,279.59x = 516,176,891,204.80
  5. Step 5: Solve for x
    x = 516,176,891,204.80/618,279.59
  6. Step 6: Final answer
    x = 834,859.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.