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Finding the Fourth Proportional to 328,862, 453,829.96 and 177,959

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Solution

The fourth proportional to 328,862, 453,829.96 and 177,959 is: 245,583.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,862 : 453,829.96 = 177,959 : x
  2. Step 2: Convert to fraction form
    328,862/453,829.96 = 177,959/x
  3. Step 3: Cross multiply
    328,862x = 453,829.96 × 177,959
  4. Step 4: Simplify right side
    328,862x = 80,763,125,851.64
  5. Step 5: Solve for x
    x = 80,763,125,851.64/328,862
  6. Step 6: Final answer
    x = 245,583.64

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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.