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Finding the Fourth Proportional to 618,304.68, 927,690.60 and 239,248.22

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Solution

The fourth proportional to 618,304.68, 927,690.60 and 239,248.22 is: 358,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,304.68 : 927,690.60 = 239,248.22 : x
  2. Step 2: Convert to fraction form
    618,304.68/927,690.60 = 239,248.22/x
  3. Step 3: Cross multiply
    618,304.68x = 927,690.60 × 239,248.22
  4. Step 4: Simplify right side
    618,304.68x = 221,948,320,122.28
  5. Step 5: Solve for x
    x = 221,948,320,122.28/618,304.68
  6. Step 6: Final answer
    x = 358,962.70

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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.