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Finding the Fourth Proportional to 350,874.39, 484,170.33 and 259,042.55

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Solution

The fourth proportional to 350,874.39, 484,170.33 and 259,042.55 is: 357,451.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,874.39 : 484,170.33 = 259,042.55 : x
  2. Step 2: Convert to fraction form
    350,874.39/484,170.33 = 259,042.55/x
  3. Step 3: Cross multiply
    350,874.39x = 484,170.33 × 259,042.55
  4. Step 4: Simplify right side
    350,874.39x = 125,420,714,496.69
  5. Step 5: Solve for x
    x = 125,420,714,496.69/350,874.39
  6. Step 6: Final answer
    x = 357,451.89

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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.