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Finding the Fourth Proportional to 662,117.60, 993,176.40 and 163,481.60

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Solution

The fourth proportional to 662,117.60, 993,176.40 and 163,481.60 is: 245,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,117.60 : 993,176.40 = 163,481.60 : x
  2. Step 2: Convert to fraction form
    662,117.60/993,176.40 = 163,481.60/x
  3. Step 3: Cross multiply
    662,117.60x = 993,176.40 × 163,481.60
  4. Step 4: Simplify right side
    662,117.60x = 162,366,066,954.24
  5. Step 5: Solve for x
    x = 162,366,066,954.24/662,117.60
  6. Step 6: Final answer
    x = 245,222.40

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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.