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Finding the Fourth Proportional to 585,919.44, 808,590.60 and 331,255.44

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Solution

The fourth proportional to 585,919.44, 808,590.60 and 331,255.44 is: 457,144.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,919.44 : 808,590.60 = 331,255.44 : x
  2. Step 2: Convert to fraction form
    585,919.44/808,590.60 = 331,255.44/x
  3. Step 3: Cross multiply
    585,919.44x = 808,590.60 × 331,255.44
  4. Step 4: Simplify right side
    585,919.44x = 267,850,034,982.86
  5. Step 5: Solve for x
    x = 267,850,034,982.86/585,919.44
  6. Step 6: Final answer
    x = 457,144.82

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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.