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Finding the Fourth Proportional to 328,142.13, 452,836.44 and 177,239.13

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Solution

The fourth proportional to 328,142.13, 452,836.44 and 177,239.13 is: 244,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,142.13 : 452,836.44 = 177,239.13 : x
  2. Step 2: Convert to fraction form
    328,142.13/452,836.44 = 177,239.13/x
  3. Step 3: Cross multiply
    328,142.13x = 452,836.44 × 177,239.13
  4. Step 4: Simplify right side
    328,142.13x = 80,260,336,657.90
  5. Step 5: Solve for x
    x = 80,260,336,657.90/328,142.13
  6. Step 6: Final answer
    x = 244,590.16

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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.