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Finding the Fourth Proportional to 636,592.68, 954,889.26 and 163,278

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Solution

The fourth proportional to 636,592.68, 954,889.26 and 163,278 is: 244,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,592.68 : 954,889.26 = 163,278 : x
  2. Step 2: Convert to fraction form
    636,592.68/954,889.26 = 163,278/x
  3. Step 3: Cross multiply
    636,592.68x = 954,889.26 × 163,278
  4. Step 4: Simplify right side
    636,592.68x = 155,912,408,594.28
  5. Step 5: Solve for x
    x = 155,912,408,594.28/636,592.68
  6. Step 6: Final answer
    x = 244,917.06

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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.