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Finding the Fourth Proportional to 260,352.30, 359,275.12 and 151,456.90

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Solution

The fourth proportional to 260,352.30, 359,275.12 and 151,456.90 is: 209,004.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,352.30 : 359,275.12 = 151,456.90 : x
  2. Step 2: Convert to fraction form
    260,352.30/359,275.12 = 151,456.90/x
  3. Step 3: Cross multiply
    260,352.30x = 359,275.12 × 151,456.90
  4. Step 4: Simplify right side
    260,352.30x = 54,414,695,922.33
  5. Step 5: Solve for x
    x = 54,414,695,922.33/260,352.30
  6. Step 6: Final answer
    x = 209,004.09

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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.