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Finding the Fourth Proportional to 260,659.80, 391,572.90 and 250,032.60

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Solution

The fourth proportional to 260,659.80, 391,572.90 and 250,032.60 is: 375,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,659.80 : 391,572.90 = 250,032.60 : x
  2. Step 2: Convert to fraction form
    260,659.80/391,572.90 = 250,032.60/x
  3. Step 3: Cross multiply
    260,659.80x = 391,572.90 × 250,032.60
  4. Step 4: Simplify right side
    260,659.80x = 97,905,990,276.54
  5. Step 5: Solve for x
    x = 97,905,990,276.54/260,659.80
  6. Step 6: Final answer
    x = 375,608.32

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1.5x scale

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.