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Finding the Fourth Proportional to 341,287.25, 511,532.27 and 256,775.90

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Solution

The fourth proportional to 341,287.25, 511,532.27 and 256,775.90 is: 384,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,287.25 : 511,532.27 = 256,775.90 : x
  2. Step 2: Convert to fraction form
    341,287.25/511,532.27 = 256,775.90/x
  3. Step 3: Cross multiply
    341,287.25x = 511,532.27 × 256,775.90
  4. Step 4: Simplify right side
    341,287.25x = 131,349,157,724.41
  5. Step 5: Solve for x
    x = 131,349,157,724.41/341,287.25
  6. Step 6: Final answer
    x = 384,863.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.