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Finding the Fourth Proportional to 519,517.92, 779,321.40 and 182,529.54

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Solution

The fourth proportional to 519,517.92, 779,321.40 and 182,529.54 is: 273,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,517.92 : 779,321.40 = 182,529.54 : x
  2. Step 2: Convert to fraction form
    519,517.92/779,321.40 = 182,529.54/x
  3. Step 3: Cross multiply
    519,517.92x = 779,321.40 × 182,529.54
  4. Step 4: Simplify right side
    519,517.92x = 142,249,176,654.16
  5. Step 5: Solve for x
    x = 142,249,176,654.16/519,517.92
  6. Step 6: Final answer
    x = 273,809.95

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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.