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Finding the Fourth Proportional to 460,751.56, 691,080.60 and 123,748.44

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Solution

The fourth proportional to 460,751.56, 691,080.60 and 123,748.44 is: 185,610.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,751.56 : 691,080.60 = 123,748.44 : x
  2. Step 2: Convert to fraction form
    460,751.56/691,080.60 = 123,748.44/x
  3. Step 3: Cross multiply
    460,751.56x = 691,080.60 × 123,748.44
  4. Step 4: Simplify right side
    460,751.56x = 85,520,146,164.26
  5. Step 5: Solve for x
    x = 85,520,146,164.26/460,751.56
  6. Step 6: Final answer
    x = 185,610.11

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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.