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Finding the Fourth Proportional to 636,508.32, 954,763.76 and 163,195.36

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Solution

The fourth proportional to 636,508.32, 954,763.76 and 163,195.36 is: 244,793.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,508.32 : 954,763.76 = 163,195.36 : x
  2. Step 2: Convert to fraction form
    636,508.32/954,763.76 = 163,195.36/x
  3. Step 3: Cross multiply
    636,508.32x = 954,763.76 × 163,195.36
  4. Step 4: Simplify right side
    636,508.32x = 155,813,015,528.15
  5. Step 5: Solve for x
    x = 155,813,015,528.15/636,508.32
  6. Step 6: Final answer
    x = 244,793.37

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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.