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Finding the Fourth Proportional to 261,374.70, 360,642.07 and 170,863.26

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Solution

The fourth proportional to 261,374.70, 360,642.07 and 170,863.26 is: 235,755.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,374.70 : 360,642.07 = 170,863.26 : x
  2. Step 2: Convert to fraction form
    261,374.70/360,642.07 = 170,863.26/x
  3. Step 3: Cross multiply
    261,374.70x = 360,642.07 × 170,863.26
  4. Step 4: Simplify right side
    261,374.70x = 61,620,479,773.35
  5. Step 5: Solve for x
    x = 61,620,479,773.35/261,374.70
  6. Step 6: Final answer
    x = 235,755.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.