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Finding the Fourth Proportional to 326,635.68, 450,643.44 and 205,787.76

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Solution

The fourth proportional to 326,635.68, 450,643.44 and 205,787.76 is: 283,915.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,635.68 : 450,643.44 = 205,787.76 : x
  2. Step 2: Convert to fraction form
    326,635.68/450,643.44 = 205,787.76/x
  3. Step 3: Cross multiply
    326,635.68x = 450,643.44 × 205,787.76
  4. Step 4: Simplify right side
    326,635.68x = 92,736,904,076.29
  5. Step 5: Solve for x
    x = 92,736,904,076.29/326,635.68
  6. Step 6: Final answer
    x = 283,915.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.