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Finding the Fourth Proportional to 606,021.38, 908,832 and 201,120.20

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Solution

The fourth proportional to 606,021.38, 908,832 and 201,120.20 is: 301,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,021.38 : 908,832 = 201,120.20 : x
  2. Step 2: Convert to fraction form
    606,021.38/908,832 = 201,120.20/x
  3. Step 3: Cross multiply
    606,021.38x = 908,832 × 201,120.20
  4. Step 4: Simplify right side
    606,021.38x = 182,784,473,606.40
  5. Step 5: Solve for x
    x = 182,784,473,606.40/606,021.38
  6. Step 6: Final answer
    x = 301,613.90

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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.