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Finding the Fourth Proportional to 662,148.60, 993,222.90 and 163,512.60

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Solution

The fourth proportional to 662,148.60, 993,222.90 and 163,512.60 is: 245,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,148.60 : 993,222.90 = 163,512.60 : x
  2. Step 2: Convert to fraction form
    662,148.60/993,222.90 = 163,512.60/x
  3. Step 3: Cross multiply
    662,148.60x = 993,222.90 × 163,512.60
  4. Step 4: Simplify right side
    662,148.60x = 162,404,458,758.54
  5. Step 5: Solve for x
    x = 162,404,458,758.54/662,148.60
  6. Step 6: Final answer
    x = 245,268.90

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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.