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Finding the Fourth Proportional to 663,800.46, 995,700.87 and 165,164.46

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Solution

The fourth proportional to 663,800.46, 995,700.87 and 165,164.46 is: 247,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,800.46 : 995,700.87 = 165,164.46 : x
  2. Step 2: Convert to fraction form
    663,800.46/995,700.87 = 165,164.46/x
  3. Step 3: Cross multiply
    663,800.46x = 995,700.87 × 165,164.46
  4. Step 4: Simplify right side
    663,800.46x = 164,454,396,515.08
  5. Step 5: Solve for x
    x = 164,454,396,515.08/663,800.46
  6. Step 6: Final answer
    x = 247,746.73

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Double scale
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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.