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Finding the Fourth Proportional to 274,360.52, 413,597.17 and 256,071.74

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Solution

The fourth proportional to 274,360.52, 413,597.17 and 256,071.74 is: 386,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,360.52 : 413,597.17 = 256,071.74 : x
  2. Step 2: Convert to fraction form
    274,360.52/413,597.17 = 256,071.74/x
  3. Step 3: Cross multiply
    274,360.52x = 413,597.17 × 256,071.74
  4. Step 4: Simplify right side
    274,360.52x = 105,910,544,912.99
  5. Step 5: Solve for x
    x = 105,910,544,912.99/274,360.52
  6. Step 6: Final answer
    x = 386,026.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.