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Finding the Fourth Proportional to 636,682.56, 954,920.03 and 187,298.37

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Solution

The fourth proportional to 636,682.56, 954,920.03 and 187,298.37 is: 280,917.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,682.56 : 954,920.03 = 187,298.37 : x
  2. Step 2: Convert to fraction form
    636,682.56/954,920.03 = 187,298.37/x
  3. Step 3: Cross multiply
    636,682.56x = 954,920.03 × 187,298.37
  4. Step 4: Simplify right side
    636,682.56x = 178,854,964,162.86
  5. Step 5: Solve for x
    x = 178,854,964,162.86/636,682.56
  6. Step 6: Final answer
    x = 280,917.01

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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.