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Finding the Fourth Proportional to 328,451.84, 453,264.20 and 177,548.84

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Solution

The fourth proportional to 328,451.84, 453,264.20 and 177,548.84 is: 245,017.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,451.84 : 453,264.20 = 177,548.84 : x
  2. Step 2: Convert to fraction form
    328,451.84/453,264.20 = 177,548.84/x
  3. Step 3: Cross multiply
    328,451.84x = 453,264.20 × 177,548.84
  4. Step 4: Simplify right side
    328,451.84x = 80,476,534,500.56
  5. Step 5: Solve for x
    x = 80,476,534,500.56/328,451.84
  6. Step 6: Final answer
    x = 245,017.76

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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.