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Finding the Fourth Proportional to 281,862.44, 422,793.66 and 243,798.59

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Solution

The fourth proportional to 281,862.44, 422,793.66 and 243,798.59 is: 365,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,862.44 : 422,793.66 = 243,798.59 : x
  2. Step 2: Convert to fraction form
    281,862.44/422,793.66 = 243,798.59/x
  3. Step 3: Cross multiply
    281,862.44x = 422,793.66 × 243,798.59
  4. Step 4: Simplify right side
    281,862.44x = 103,076,496,054.97
  5. Step 5: Solve for x
    x = 103,076,496,054.97/281,862.44
  6. Step 6: Final answer
    x = 365,697.88

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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.