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Finding the Fourth Proportional to 493,221.60, 739,832.40 and 177,564.60

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Solution

The fourth proportional to 493,221.60, 739,832.40 and 177,564.60 is: 266,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,221.60 : 739,832.40 = 177,564.60 : x
  2. Step 2: Convert to fraction form
    493,221.60/739,832.40 = 177,564.60/x
  3. Step 3: Cross multiply
    493,221.60x = 739,832.40 × 177,564.60
  4. Step 4: Simplify right side
    493,221.60x = 131,368,044,173.04
  5. Step 5: Solve for x
    x = 131,368,044,173.04/493,221.60
  6. Step 6: Final answer
    x = 266,346.90

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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.