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Finding the Fourth Proportional to 304,297.55, 456,487.87 and 126,763.04

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Solution

The fourth proportional to 304,297.55, 456,487.87 and 126,763.04 is: 190,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,297.55 : 456,487.87 = 126,763.04 : x
  2. Step 2: Convert to fraction form
    304,297.55/456,487.87 = 126,763.04/x
  3. Step 3: Cross multiply
    304,297.55x = 456,487.87 × 126,763.04
  4. Step 4: Simplify right side
    304,297.55x = 57,865,787,937.13
  5. Step 5: Solve for x
    x = 57,865,787,937.13/304,297.55
  6. Step 6: Final answer
    x = 190,161.86

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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.