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Finding the Fourth Proportional to 274,361.52, 413,598.68 and 256,072.74

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Solution

The fourth proportional to 274,361.52, 413,598.68 and 256,072.74 is: 386,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,361.52 : 413,598.68 = 256,072.74 : x
  2. Step 2: Convert to fraction form
    274,361.52/413,598.68 = 256,072.74/x
  3. Step 3: Cross multiply
    274,361.52x = 413,598.68 × 256,072.74
  4. Step 4: Simplify right side
    274,361.52x = 105,911,347,247.98
  5. Step 5: Solve for x
    x = 105,911,347,247.98/274,361.52
  6. Step 6: Final answer
    x = 386,028.43

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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.