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Finding the Fourth Proportional to 304,407.02, 456,536.71 and 126,817.15

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Solution

The fourth proportional to 304,407.02, 456,536.71 and 126,817.15 is: 190,194.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,407.02 : 456,536.71 = 126,817.15 : x
  2. Step 2: Convert to fraction form
    304,407.02/456,536.71 = 126,817.15/x
  3. Step 3: Cross multiply
    304,407.02x = 456,536.71 × 126,817.15
  4. Step 4: Simplify right side
    304,407.02x = 57,896,682,974.19
  5. Step 5: Solve for x
    x = 57,896,682,974.19/304,407.02
  6. Step 6: Final answer
    x = 190,194.97

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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.