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Finding the Fourth Proportional to 618,290.34, 857,605.95 and 601,902.42

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Solution

The fourth proportional to 618,290.34, 857,605.95 and 601,902.42 is: 834,874.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,290.34 : 857,605.95 = 601,902.42 : x
  2. Step 2: Convert to fraction form
    618,290.34/857,605.95 = 601,902.42/x
  3. Step 3: Cross multiply
    618,290.34x = 857,605.95 × 601,902.42
  4. Step 4: Simplify right side
    618,290.34x = 516,195,096,711.40
  5. Step 5: Solve for x
    x = 516,195,096,711.40/618,290.34
  6. Step 6: Final answer
    x = 834,874.92

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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.