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Finding the Fourth Proportional to 663,635.30, 995,452.95 and 164,999.30

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Solution

The fourth proportional to 663,635.30, 995,452.95 and 164,999.30 is: 247,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,635.30 : 995,452.95 = 164,999.30 : x
  2. Step 2: Convert to fraction form
    663,635.30/995,452.95 = 164,999.30/x
  3. Step 3: Cross multiply
    663,635.30x = 995,452.95 × 164,999.30
  4. Step 4: Simplify right side
    663,635.30x = 164,249,039,932.94
  5. Step 5: Solve for x
    x = 164,249,039,932.94/663,635.30
  6. Step 6: Final answer
    x = 247,498.95

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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.