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Finding the Fourth Proportional to 663,662.58, 995,497.83 and 165,026.58

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Solution

The fourth proportional to 663,662.58, 995,497.83 and 165,026.58 is: 247,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,662.58 : 995,497.83 = 165,026.58 : x
  2. Step 2: Convert to fraction form
    663,662.58/995,497.83 = 165,026.58/x
  3. Step 3: Cross multiply
    663,662.58x = 995,497.83 × 165,026.58
  4. Step 4: Simplify right side
    663,662.58x = 164,283,602,282.32
  5. Step 5: Solve for x
    x = 164,283,602,282.32/663,662.58
  6. Step 6: Final answer
    x = 247,540.85

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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.