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Finding the Fourth Proportional to 1,566.03, 2,348.99 and 411.75

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Solution

The fourth proportional to 1,566.03, 2,348.99 and 411.75 is: 617.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.03 : 2,348.99 = 411.75 : x
  2. Step 2: Convert to fraction form
    1,566.03/2,348.99 = 411.75/x
  3. Step 3: Cross multiply
    1,566.03x = 2,348.99 × 411.75
  4. Step 4: Simplify right side
    1,566.03x = 967,194.57
  5. Step 5: Solve for x
    x = 967,194.57/1,566.03
  6. Step 6: Final answer
    x = 617.61

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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.