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Finding the Fourth Proportional to 304,351.56, 456,230.64 and 126,909.36

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Solution

The fourth proportional to 304,351.56, 456,230.64 and 126,909.36 is: 190,240.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,351.56 : 456,230.64 = 126,909.36 : x
  2. Step 2: Convert to fraction form
    304,351.56/456,230.64 = 126,909.36/x
  3. Step 3: Cross multiply
    304,351.56x = 456,230.64 × 126,909.36
  4. Step 4: Simplify right side
    304,351.56x = 57,899,938,534.79
  5. Step 5: Solve for x
    x = 57,899,938,534.79/304,351.56
  6. Step 6: Final answer
    x = 190,240.32

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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.