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Finding the Fourth Proportional to 304,190.71, 456,335.27 and 126,715.66

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Solution

The fourth proportional to 304,190.71, 456,335.27 and 126,715.66 is: 190,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,190.71 : 456,335.27 = 126,715.66 : x
  2. Step 2: Convert to fraction form
    304,190.71/456,335.27 = 126,715.66/x
  3. Step 3: Cross multiply
    304,190.71x = 456,335.27 × 126,715.66
  4. Step 4: Simplify right side
    304,190.71x = 57,824,823,620.10
  5. Step 5: Solve for x
    x = 57,824,823,620.10/304,190.71
  6. Step 6: Final answer
    x = 190,093.98

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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.