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Finding the Fourth Proportional to 605,872.40, 908,808.60 and 206,477.60

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Solution

The fourth proportional to 605,872.40, 908,808.60 and 206,477.60 is: 309,716.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,872.40 : 908,808.60 = 206,477.60 : x
  2. Step 2: Convert to fraction form
    605,872.40/908,808.60 = 206,477.60/x
  3. Step 3: Cross multiply
    605,872.40x = 908,808.60 × 206,477.60
  4. Step 4: Simplify right side
    605,872.40x = 187,648,618,587.36
  5. Step 5: Solve for x
    x = 187,648,618,587.36/605,872.40
  6. Step 6: Final answer
    x = 309,716.40

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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.