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Finding the Fourth Proportional to 441,003.25, 660,672.46 and 260,550.23

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Solution

The fourth proportional to 441,003.25, 660,672.46 and 260,550.23 is: 390,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,003.25 : 660,672.46 = 260,550.23 : x
  2. Step 2: Convert to fraction form
    441,003.25/660,672.46 = 260,550.23/x
  3. Step 3: Cross multiply
    441,003.25x = 660,672.46 × 260,550.23
  4. Step 4: Simplify right side
    441,003.25x = 172,138,361,407.67
  5. Step 5: Solve for x
    x = 172,138,361,407.67/441,003.25
  6. Step 6: Final answer
    x = 390,333.54

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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.