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Finding the Fourth Proportional to 488,697.60, 733,046.40 and 173,186.40

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Solution

The fourth proportional to 488,697.60, 733,046.40 and 173,186.40 is: 259,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,697.60 : 733,046.40 = 173,186.40 : x
  2. Step 2: Convert to fraction form
    488,697.60/733,046.40 = 173,186.40/x
  3. Step 3: Cross multiply
    488,697.60x = 733,046.40 × 173,186.40
  4. Step 4: Simplify right side
    488,697.60x = 126,953,667,048.96
  5. Step 5: Solve for x
    x = 126,953,667,048.96/488,697.60
  6. Step 6: Final answer
    x = 259,779.60

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Similar ratio
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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.