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Finding the Fourth Proportional to 329,026.68, 454,059 and 178,123.68

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Solution

The fourth proportional to 329,026.68, 454,059 and 178,123.68 is: 245,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,026.68 : 454,059 = 178,123.68 : x
  2. Step 2: Convert to fraction form
    329,026.68/454,059 = 178,123.68/x
  3. Step 3: Cross multiply
    329,026.68x = 454,059 × 178,123.68
  4. Step 4: Simplify right side
    329,026.68x = 80,878,660,017.12
  5. Step 5: Solve for x
    x = 80,878,660,017.12/329,026.68
  6. Step 6: Final answer
    x = 245,811.86

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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.