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Finding the Fourth Proportional to 493,314.30, 739,971.45 and 177,730.20

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Solution

The fourth proportional to 493,314.30, 739,971.45 and 177,730.20 is: 266,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,314.30 : 739,971.45 = 177,730.20 : x
  2. Step 2: Convert to fraction form
    493,314.30/739,971.45 = 177,730.20/x
  3. Step 3: Cross multiply
    493,314.30x = 739,971.45 × 177,730.20
  4. Step 4: Simplify right side
    493,314.30x = 131,515,273,802.79
  5. Step 5: Solve for x
    x = 131,515,273,802.79/493,314.30
  6. Step 6: Final answer
    x = 266,595.30

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Double scale
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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.