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Finding the Fourth Proportional to 497,742.60, 746,616.60 and 123,765.60

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Solution

The fourth proportional to 497,742.60, 746,616.60 and 123,765.60 is: 185,649.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,742.60 : 746,616.60 = 123,765.60 : x
  2. Step 2: Convert to fraction form
    497,742.60/746,616.60 = 123,765.60/x
  3. Step 3: Cross multiply
    497,742.60x = 746,616.60 × 123,765.60
  4. Step 4: Simplify right side
    497,742.60x = 92,405,451,468.96
  5. Step 5: Solve for x
    x = 92,405,451,468.96/497,742.60
  6. Step 6: Final answer
    x = 185,649.07

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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.