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Finding the Fourth Proportional to 1,156.62, 1,735.10 and 416.17

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Solution

The fourth proportional to 1,156.62, 1,735.10 and 416.17 is: 624.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156.62 : 1,735.10 = 416.17 : x
  2. Step 2: Convert to fraction form
    1,156.62/1,735.10 = 416.17/x
  3. Step 3: Cross multiply
    1,156.62x = 1,735.10 × 416.17
  4. Step 4: Simplify right side
    1,156.62x = 722,096.57
  5. Step 5: Solve for x
    x = 722,096.57/1,156.62
  6. Step 6: Final answer
    x = 624.32

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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.