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Finding the Fourth Proportional to 496,695.40, 745,043.10 and 181,162.60

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Solution

The fourth proportional to 496,695.40, 745,043.10 and 181,162.60 is: 271,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,695.40 : 745,043.10 = 181,162.60 : x
  2. Step 2: Convert to fraction form
    496,695.40/745,043.10 = 181,162.60/x
  3. Step 3: Cross multiply
    496,695.40x = 745,043.10 × 181,162.60
  4. Step 4: Simplify right side
    496,695.40x = 134,973,945,108.06
  5. Step 5: Solve for x
    x = 134,973,945,108.06/496,695.40
  6. Step 6: Final answer
    x = 271,743.90

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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.