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Finding the Fourth Proportional to 655,265.39, 982,496.68 and 255,439.06

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Solution

The fourth proportional to 655,265.39, 982,496.68 and 255,439.06 is: 383,002.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,265.39 : 982,496.68 = 255,439.06 : x
  2. Step 2: Convert to fraction form
    655,265.39/982,496.68 = 255,439.06/x
  3. Step 3: Cross multiply
    655,265.39x = 982,496.68 × 255,439.06
  4. Step 4: Simplify right side
    655,265.39x = 250,968,025,297.48
  5. Step 5: Solve for x
    x = 250,968,025,297.48/655,265.39
  6. Step 6: Final answer
    x = 383,002.11

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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.