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Finding the Fourth Proportional to 1,609.34, 2,414.06 and 569.43

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Solution

The fourth proportional to 1,609.34, 2,414.06 and 569.43 is: 854.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.34 : 2,414.06 = 569.43 : x
  2. Step 2: Convert to fraction form
    1,609.34/2,414.06 = 569.43/x
  3. Step 3: Cross multiply
    1,609.34x = 2,414.06 × 569.43
  4. Step 4: Simplify right side
    1,609.34x = 1,374,635.34
  5. Step 5: Solve for x
    x = 1,374,635.34/1,609.34
  6. Step 6: Final answer
    x = 854.16

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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.