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Finding the Fourth Proportional to 622,385.70, 933,578.55 and 201,704.10

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Solution

The fourth proportional to 622,385.70, 933,578.55 and 201,704.10 is: 302,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,385.70 : 933,578.55 = 201,704.10 : x
  2. Step 2: Convert to fraction form
    622,385.70/933,578.55 = 201,704.10/x
  3. Step 3: Cross multiply
    622,385.70x = 933,578.55 × 201,704.10
  4. Step 4: Simplify right side
    622,385.70x = 188,306,621,207.06
  5. Step 5: Solve for x
    x = 188,306,621,207.06/622,385.70
  6. Step 6: Final answer
    x = 302,556.15

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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.