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Finding the Fourth Proportional to 445,686, 615,046.80 and 244,482

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Solution

The fourth proportional to 445,686, 615,046.80 and 244,482 is: 337,385.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,686 : 615,046.80 = 244,482 : x
  2. Step 2: Convert to fraction form
    445,686/615,046.80 = 244,482/x
  3. Step 3: Cross multiply
    445,686x = 615,046.80 × 244,482
  4. Step 4: Simplify right side
    445,686x = 150,367,871,757.60
  5. Step 5: Solve for x
    x = 150,367,871,757.60/445,686
  6. Step 6: Final answer
    x = 337,385.23

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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.