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Finding the Fourth Proportional to 1,714.73, 2,572.10 and 416.19

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Solution

The fourth proportional to 1,714.73, 2,572.10 and 416.19 is: 624.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,714.73 : 2,572.10 = 416.19 : x
  2. Step 2: Convert to fraction form
    1,714.73/2,572.10 = 416.19/x
  3. Step 3: Cross multiply
    1,714.73x = 2,572.10 × 416.19
  4. Step 4: Simplify right side
    1,714.73x = 1,070,480.22
  5. Step 5: Solve for x
    x = 1,070,480.22/1,714.73
  6. Step 6: Final answer
    x = 624.29

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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.