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Finding the Fourth Proportional to 304,299.34, 456,490.54 and 126,764.82

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Solution

The fourth proportional to 304,299.34, 456,490.54 and 126,764.82 is: 190,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,299.34 : 456,490.54 = 126,764.82 : x
  2. Step 2: Convert to fraction form
    304,299.34/456,490.54 = 126,764.82/x
  3. Step 3: Cross multiply
    304,299.34x = 456,490.54 × 126,764.82
  4. Step 4: Simplify right side
    304,299.34x = 57,866,941,134.80
  5. Step 5: Solve for x
    x = 57,866,941,134.80/304,299.34
  6. Step 6: Final answer
    x = 190,164.53

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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.