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Finding the Fourth Proportional to 304,306.97, 456,501.96 and 126,772.43

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Solution

The fourth proportional to 304,306.97, 456,501.96 and 126,772.43 is: 190,175.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,306.97 : 456,501.96 = 126,772.43 : x
  2. Step 2: Convert to fraction form
    304,306.97/456,501.96 = 126,772.43/x
  3. Step 3: Cross multiply
    304,306.97x = 456,501.96 × 126,772.43
  4. Step 4: Simplify right side
    304,306.97x = 57,871,860,486.45
  5. Step 5: Solve for x
    x = 57,871,860,486.45/304,306.97
  6. Step 6: Final answer
    x = 190,175.93

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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.