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Finding the Fourth Proportional to 496,695.40, 744,621.90 and 180,968.20

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Solution

The fourth proportional to 496,695.40, 744,621.90 and 180,968.20 is: 271,298.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,695.40 : 744,621.90 = 180,968.20 : x
  2. Step 2: Convert to fraction form
    496,695.40/744,621.90 = 180,968.20/x
  3. Step 3: Cross multiply
    496,695.40x = 744,621.90 × 180,968.20
  4. Step 4: Simplify right side
    496,695.40x = 134,752,884,923.58
  5. Step 5: Solve for x
    x = 134,752,884,923.58/496,695.40
  6. Step 6: Final answer
    x = 271,298.84

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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.