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Finding the Fourth Proportional to 1,627.17, 2,440.14 and 586.89

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Solution

The fourth proportional to 1,627.17, 2,440.14 and 586.89 is: 880.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,627.17 : 2,440.14 = 586.89 : x
  2. Step 2: Convert to fraction form
    1,627.17/2,440.14 = 586.89/x
  3. Step 3: Cross multiply
    1,627.17x = 2,440.14 × 586.89
  4. Step 4: Simplify right side
    1,627.17x = 1,432,091.56
  5. Step 5: Solve for x
    x = 1,432,091.56/1,627.17
  6. Step 6: Final answer
    x = 880.11

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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.