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Finding the Fourth Proportional to 256,326.54, 351,161.52 and 246,742.90

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Solution

The fourth proportional to 256,326.54, 351,161.52 and 246,742.90 is: 338,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,326.54 : 351,161.52 = 246,742.90 : x
  2. Step 2: Convert to fraction form
    256,326.54/351,161.52 = 246,742.90/x
  3. Step 3: Cross multiply
    256,326.54x = 351,161.52 × 246,742.90
  4. Step 4: Simplify right side
    256,326.54x = 86,646,611,813.21
  5. Step 5: Solve for x
    x = 86,646,611,813.21/256,326.54
  6. Step 6: Final answer
    x = 338,032.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.