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Finding the Fourth Proportional to 304,299.47, 456,490.71 and 126,764.93

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Solution

The fourth proportional to 304,299.47, 456,490.71 and 126,764.93 is: 190,164.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,299.47 : 456,490.71 = 126,764.93 : x
  2. Step 2: Convert to fraction form
    304,299.47/456,490.71 = 126,764.93/x
  3. Step 3: Cross multiply
    304,299.47x = 456,490.71 × 126,764.93
  4. Step 4: Simplify right side
    304,299.47x = 57,867,010,616.35
  5. Step 5: Solve for x
    x = 57,867,010,616.35/304,299.47
  6. Step 6: Final answer
    x = 190,164.68

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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.