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Finding the Fourth Proportional to 260,680.96, 359,695.92 and 151,808.32

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Solution

The fourth proportional to 260,680.96, 359,695.92 and 151,808.32 is: 209,469.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,680.96 : 359,695.92 = 151,808.32 : x
  2. Step 2: Convert to fraction form
    260,680.96/359,695.92 = 151,808.32/x
  3. Step 3: Cross multiply
    260,680.96x = 359,695.92 × 151,808.32
  4. Step 4: Simplify right side
    260,680.96x = 54,604,833,326.05
  5. Step 5: Solve for x
    x = 54,604,833,326.05/260,680.96
  6. Step 6: Final answer
    x = 209,469.97

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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.