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Finding the Fourth Proportional to 634,034.25, 951,175.71 and 234,678.42

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Solution

The fourth proportional to 634,034.25, 951,175.71 and 234,678.42 is: 352,063.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,034.25 : 951,175.71 = 234,678.42 : x
  2. Step 2: Convert to fraction form
    634,034.25/951,175.71 = 234,678.42/x
  3. Step 3: Cross multiply
    634,034.25x = 951,175.71 × 234,678.42
  4. Step 4: Simplify right side
    634,034.25x = 223,220,412,765.18
  5. Step 5: Solve for x
    x = 223,220,412,765.18/634,034.25
  6. Step 6: Final answer
    x = 352,063.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.