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Finding the Fourth Proportional to 636,016.45, 954,019.81 and 162,701.05

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Solution

The fourth proportional to 636,016.45, 954,019.81 and 162,701.05 is: 244,050.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,016.45 : 954,019.81 = 162,701.05 : x
  2. Step 2: Convert to fraction form
    636,016.45/954,019.81 = 162,701.05/x
  3. Step 3: Cross multiply
    636,016.45x = 954,019.81 × 162,701.05
  4. Step 4: Simplify right side
    636,016.45x = 155,220,019,224.20
  5. Step 5: Solve for x
    x = 155,220,019,224.20/636,016.45
  6. Step 6: Final answer
    x = 244,050.32

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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.