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Finding the Fourth Proportional to 671,443, 1,007,065.06 and 244,878.78

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Solution

The fourth proportional to 671,443, 1,007,065.06 and 244,878.78 is: 367,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,443 : 1,007,065.06 = 244,878.78 : x
  2. Step 2: Convert to fraction form
    671,443/1,007,065.06 = 244,878.78/x
  3. Step 3: Cross multiply
    671,443x = 1,007,065.06 × 244,878.78
  4. Step 4: Simplify right side
    671,443x = 246,608,863,273.43
  5. Step 5: Solve for x
    x = 246,608,863,273.43/671,443
  6. Step 6: Final answer
    x = 367,281.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.