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Finding the Fourth Proportional to 445,314.78, 614,467.62 and 254,287.62

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Solution

The fourth proportional to 445,314.78, 614,467.62 and 254,287.62 is: 350,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,314.78 : 614,467.62 = 254,287.62 : x
  2. Step 2: Convert to fraction form
    445,314.78/614,467.62 = 254,287.62/x
  3. Step 3: Cross multiply
    445,314.78x = 614,467.62 × 254,287.62
  4. Step 4: Simplify right side
    445,314.78x = 156,251,508,656.86
  5. Step 5: Solve for x
    x = 156,251,508,656.86/445,314.78
  6. Step 6: Final answer
    x = 350,878.78

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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.