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Finding the Fourth Proportional to 663,816.94, 995,729.05 and 165,180.94

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Solution

The fourth proportional to 663,816.94, 995,729.05 and 165,180.94 is: 247,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,816.94 : 995,729.05 = 165,180.94 : x
  2. Step 2: Convert to fraction form
    663,816.94/995,729.05 = 165,180.94/x
  3. Step 3: Cross multiply
    663,816.94x = 995,729.05 × 165,180.94
  4. Step 4: Simplify right side
    663,816.94x = 164,475,458,181.46
  5. Step 5: Solve for x
    x = 164,475,458,181.46/663,816.94
  6. Step 6: Final answer
    x = 247,772.31

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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.