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Finding the Fourth Proportional to 328,885.53, 453,862.49 and 177,982.53

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Solution

The fourth proportional to 328,885.53, 453,862.49 and 177,982.53 is: 245,616.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,885.53 : 453,862.49 = 177,982.53 : x
  2. Step 2: Convert to fraction form
    328,885.53/453,862.49 = 177,982.53/x
  3. Step 3: Cross multiply
    328,885.53x = 453,862.49 × 177,982.53
  4. Step 4: Simplify right side
    328,885.53x = 80,779,593,352.39
  5. Step 5: Solve for x
    x = 80,779,593,352.39/328,885.53
  6. Step 6: Final answer
    x = 245,616.14

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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.