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Finding the Fourth Proportional to 636,914.43, 955,371.65 and 163,600.25

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Solution

The fourth proportional to 636,914.43, 955,371.65 and 163,600.25 is: 245,400.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,914.43 : 955,371.65 = 163,600.25 : x
  2. Step 2: Convert to fraction form
    636,914.43/955,371.65 = 163,600.25/x
  3. Step 3: Cross multiply
    636,914.43x = 955,371.65 × 163,600.25
  4. Step 4: Simplify right side
    636,914.43x = 156,299,035,188.05
  5. Step 5: Solve for x
    x = 156,299,035,188.05/636,914.43
  6. Step 6: Final answer
    x = 245,400.37

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Similar ratio
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1.5x scale

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.