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Finding the Fourth Proportional to 469,215.05, 703,920.98 and 203,013.41

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Solution

The fourth proportional to 469,215.05, 703,920.98 and 203,013.41 is: 304,562.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,215.05 : 703,920.98 = 203,013.41 : x
  2. Step 2: Convert to fraction form
    469,215.05/703,920.98 = 203,013.41/x
  3. Step 3: Cross multiply
    469,215.05x = 703,920.98 × 203,013.41
  4. Step 4: Simplify right side
    469,215.05x = 142,905,395,508.27
  5. Step 5: Solve for x
    x = 142,905,395,508.27/469,215.05
  6. Step 6: Final answer
    x = 304,562.69

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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.