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Finding the Fourth Proportional to 618,499.35, 927,456.62 and 239,597.55

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Solution

The fourth proportional to 618,499.35, 927,456.62 and 239,597.55 is: 359,283.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,499.35 : 927,456.62 = 239,597.55 : x
  2. Step 2: Convert to fraction form
    618,499.35/927,456.62 = 239,597.55/x
  3. Step 3: Cross multiply
    618,499.35x = 927,456.62 × 239,597.55
  4. Step 4: Simplify right side
    618,499.35x = 222,216,332,685.29
  5. Step 5: Solve for x
    x = 222,216,332,685.29/618,499.35
  6. Step 6: Final answer
    x = 359,283.05

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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.