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Finding the Fourth Proportional to 275,368.93, 379,301.07 and 194,657.65

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Solution

The fourth proportional to 275,368.93, 379,301.07 and 194,657.65 is: 268,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,368.93 : 379,301.07 = 194,657.65 : x
  2. Step 2: Convert to fraction form
    275,368.93/379,301.07 = 194,657.65/x
  3. Step 3: Cross multiply
    275,368.93x = 379,301.07 × 194,657.65
  4. Step 4: Simplify right side
    275,368.93x = 73,833,854,928.69
  5. Step 5: Solve for x
    x = 73,833,854,928.69/275,368.93
  6. Step 6: Final answer
    x = 268,127.04

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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.