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Finding the Fourth Proportional to 470,801.70, 706,202.55 and 281,844.90

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Solution

The fourth proportional to 470,801.70, 706,202.55 and 281,844.90 is: 422,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,801.70 : 706,202.55 = 281,844.90 : x
  2. Step 2: Convert to fraction form
    470,801.70/706,202.55 = 281,844.90/x
  3. Step 3: Cross multiply
    470,801.70x = 706,202.55 × 281,844.90
  4. Step 4: Simplify right side
    470,801.70x = 199,039,587,084.50
  5. Step 5: Solve for x
    x = 199,039,587,084.50/470,801.70
  6. Step 6: Final answer
    x = 422,767.35

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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.