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Finding the Fourth Proportional to 655,366.62, 983,432.04 and 276,264.15

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Solution

The fourth proportional to 655,366.62, 983,432.04 and 276,264.15 is: 414,557.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,366.62 : 983,432.04 = 276,264.15 : x
  2. Step 2: Convert to fraction form
    655,366.62/983,432.04 = 276,264.15/x
  3. Step 3: Cross multiply
    655,366.62x = 983,432.04 × 276,264.15
  4. Step 4: Simplify right side
    655,366.62x = 271,687,016,613.37
  5. Step 5: Solve for x
    x = 271,687,016,613.37/655,366.62
  6. Step 6: Final answer
    x = 414,557.30

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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.