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Finding the Fourth Proportional to 263,331.44, 395,096.16 and 156,776.88

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Solution

The fourth proportional to 263,331.44, 395,096.16 and 156,776.88 is: 235,224.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,331.44 : 395,096.16 = 156,776.88 : x
  2. Step 2: Convert to fraction form
    263,331.44/395,096.16 = 156,776.88/x
  3. Step 3: Cross multiply
    263,331.44x = 395,096.16 × 156,776.88
  4. Step 4: Simplify right side
    263,331.44x = 61,941,943,264.78
  5. Step 5: Solve for x
    x = 61,941,943,264.78/263,331.44
  6. Step 6: Final answer
    x = 235,224.26

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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.