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Finding the Fourth Proportional to 519,232.70, 778,849.05 and 294,506.30

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Solution

The fourth proportional to 519,232.70, 778,849.05 and 294,506.30 is: 441,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,232.70 : 778,849.05 = 294,506.30 : x
  2. Step 2: Convert to fraction form
    519,232.70/778,849.05 = 294,506.30/x
  3. Step 3: Cross multiply
    519,232.70x = 778,849.05 × 294,506.30
  4. Step 4: Simplify right side
    519,232.70x = 229,375,951,974.02
  5. Step 5: Solve for x
    x = 229,375,951,974.02/519,232.70
  6. Step 6: Final answer
    x = 441,759.45

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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.