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Finding the Fourth Proportional to 522,414.28, 720,940.26 and 296,054.92

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Solution

The fourth proportional to 522,414.28, 720,940.26 and 296,054.92 is: 408,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,414.28 : 720,940.26 = 296,054.92 : x
  2. Step 2: Convert to fraction form
    522,414.28/720,940.26 = 296,054.92/x
  3. Step 3: Cross multiply
    522,414.28x = 720,940.26 × 296,054.92
  4. Step 4: Simplify right side
    522,414.28x = 213,437,910,999.08
  5. Step 5: Solve for x
    x = 213,437,910,999.08/522,414.28
  6. Step 6: Final answer
    x = 408,560.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.