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Finding the Fourth Proportional to 662,258.10, 993,387.15 and 163,622.10

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Solution

The fourth proportional to 662,258.10, 993,387.15 and 163,622.10 is: 245,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,258.10 : 993,387.15 = 163,622.10 : x
  2. Step 2: Convert to fraction form
    662,258.10/993,387.15 = 163,622.10/x
  3. Step 3: Cross multiply
    662,258.10x = 993,387.15 × 163,622.10
  4. Step 4: Simplify right side
    662,258.10x = 162,540,091,596.02
  5. Step 5: Solve for x
    x = 162,540,091,596.02/662,258.10
  6. Step 6: Final answer
    x = 245,433.15

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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.