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Finding the Fourth Proportional to 445,781.00, 615,177.77 and 254,798.49

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Solution

The fourth proportional to 445,781.00, 615,177.77 and 254,798.49 is: 351,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,781.00 : 615,177.77 = 254,798.49 : x
  2. Step 2: Convert to fraction form
    445,781.00/615,177.77 = 254,798.49/x
  3. Step 3: Cross multiply
    445,781.00x = 615,177.77 × 254,798.49
  4. Step 4: Simplify right side
    445,781.00x = 156,746,369,343.73
  5. Step 5: Solve for x
    x = 156,746,369,343.73/445,781.00
  6. Step 6: Final answer
    x = 351,621.91

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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.