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Finding the Fourth Proportional to 509,181.85, 763,772.78 and 332,034.85

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Solution

The fourth proportional to 509,181.85, 763,772.78 and 332,034.85 is: 498,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,181.85 : 763,772.78 = 332,034.85 : x
  2. Step 2: Convert to fraction form
    509,181.85/763,772.78 = 332,034.85/x
  3. Step 3: Cross multiply
    509,181.85x = 763,772.78 × 332,034.85
  4. Step 4: Simplify right side
    509,181.85x = 253,599,178,781.21
  5. Step 5: Solve for x
    x = 253,599,178,781.21/509,181.85
  6. Step 6: Final answer
    x = 498,052.28

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Double scale
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Similar ratio
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1.5x scale

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.