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Finding the Fourth Proportional to 328,870.38, 453,841.12 and 177,967.38

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Solution

The fourth proportional to 328,870.38, 453,841.12 and 177,967.38 is: 245,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,870.38 : 453,841.12 = 177,967.38 : x
  2. Step 2: Convert to fraction form
    328,870.38/453,841.12 = 177,967.38/x
  3. Step 3: Cross multiply
    328,870.38x = 453,841.12 × 177,967.38
  4. Step 4: Simplify right side
    328,870.38x = 80,768,912,348.54
  5. Step 5: Solve for x
    x = 80,768,912,348.54/328,870.38
  6. Step 6: Final answer
    x = 245,594.98

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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.