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Finding the Fourth Proportional to 440,787.66, 608,286.87 and 239,583.66

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Solution

The fourth proportional to 440,787.66, 608,286.87 and 239,583.66 is: 330,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,787.66 : 608,286.87 = 239,583.66 : x
  2. Step 2: Convert to fraction form
    440,787.66/608,286.87 = 239,583.66/x
  3. Step 3: Cross multiply
    440,787.66x = 608,286.87 × 239,583.66
  4. Step 4: Simplify right side
    440,787.66x = 145,735,594,644.54
  5. Step 5: Solve for x
    x = 145,735,594,644.54/440,787.66
  6. Step 6: Final answer
    x = 330,625.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.