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Finding the Fourth Proportional to 509,181.60, 763,772.40 and 332,034.60

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Solution

The fourth proportional to 509,181.60, 763,772.40 and 332,034.60 is: 498,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,181.60 : 763,772.40 = 332,034.60 : x
  2. Step 2: Convert to fraction form
    509,181.60/763,772.40 = 332,034.60/x
  3. Step 3: Cross multiply
    509,181.60x = 763,772.40 × 332,034.60
  4. Step 4: Simplify right side
    509,181.60x = 253,598,863,325.04
  5. Step 5: Solve for x
    x = 253,598,863,325.04/509,181.60
  6. Step 6: Final answer
    x = 498,051.90

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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.