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Finding the Fourth Proportional to 274,373.45, 413,616.64 and 256,084.66

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Solution

The fourth proportional to 274,373.45, 413,616.64 and 256,084.66 is: 386,046.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,373.45 : 413,616.64 = 256,084.66 : x
  2. Step 2: Convert to fraction form
    274,373.45/413,616.64 = 256,084.66/x
  3. Step 3: Cross multiply
    274,373.45x = 413,616.64 × 256,084.66
  4. Step 4: Simplify right side
    274,373.45x = 105,920,873,276.24
  5. Step 5: Solve for x
    x = 105,920,873,276.24/274,373.45
  6. Step 6: Final answer
    x = 386,046.37

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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.