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Finding the Fourth Proportional to 304,298.84, 456,489.79 and 126,764.32

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Solution

The fourth proportional to 304,298.84, 456,489.79 and 126,764.32 is: 190,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,298.84 : 456,489.79 = 126,764.32 : x
  2. Step 2: Convert to fraction form
    304,298.84/456,489.79 = 126,764.32/x
  3. Step 3: Cross multiply
    304,298.84x = 456,489.79 × 126,764.32
  4. Step 4: Simplify right side
    304,298.84x = 57,866,616,358.16
  5. Step 5: Solve for x
    x = 57,866,616,358.16/304,298.84
  6. Step 6: Final answer
    x = 190,163.78

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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.