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Finding the Fourth Proportional to 478,387.44, 660,171.60 and 263,522.52

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Solution

The fourth proportional to 478,387.44, 660,171.60 and 263,522.52 is: 363,659.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,387.44 : 660,171.60 = 263,522.52 : x
  2. Step 2: Convert to fraction form
    478,387.44/660,171.60 = 263,522.52/x
  3. Step 3: Cross multiply
    478,387.44x = 660,171.60 × 263,522.52
  4. Step 4: Simplify right side
    478,387.44x = 173,970,083,664.43
  5. Step 5: Solve for x
    x = 173,970,083,664.43/478,387.44
  6. Step 6: Final answer
    x = 363,659.39

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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.