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Finding the Fourth Proportional to 522,253.46, 783,380.20 and 344,718.95

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Solution

The fourth proportional to 522,253.46, 783,380.20 and 344,718.95 is: 517,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,253.46 : 783,380.20 = 344,718.95 : x
  2. Step 2: Convert to fraction form
    522,253.46/783,380.20 = 344,718.95/x
  3. Step 3: Cross multiply
    522,253.46x = 783,380.20 × 344,718.95
  4. Step 4: Simplify right side
    522,253.46x = 270,045,995,216.09
  5. Step 5: Solve for x
    x = 270,045,995,216.09/522,253.46
  6. Step 6: Final answer
    x = 517,078.42

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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.