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Finding the Fourth Proportional to 328,877.88, 453,851.46 and 177,974.88

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Solution

The fourth proportional to 328,877.88, 453,851.46 and 177,974.88 is: 245,605.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,877.88 : 453,851.46 = 177,974.88 : x
  2. Step 2: Convert to fraction form
    328,877.88/453,851.46 = 177,974.88/x
  3. Step 3: Cross multiply
    328,877.88x = 453,851.46 × 177,974.88
  4. Step 4: Simplify right side
    328,877.88x = 80,774,159,131.32
  5. Step 5: Solve for x
    x = 80,774,159,131.32/328,877.88
  6. Step 6: Final answer
    x = 245,605.33

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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.