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Finding the Fourth Proportional to 341,620.20, 512,507.10 and 201,306.60

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Solution

The fourth proportional to 341,620.20, 512,507.10 and 201,306.60 is: 302,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,620.20 : 512,507.10 = 201,306.60 : x
  2. Step 2: Convert to fraction form
    341,620.20/512,507.10 = 201,306.60/x
  3. Step 3: Cross multiply
    341,620.20x = 512,507.10 × 201,306.60
  4. Step 4: Simplify right side
    341,620.20x = 103,171,061,776.86
  5. Step 5: Solve for x
    x = 103,171,061,776.86/341,620.20
  6. Step 6: Final answer
    x = 302,005.16

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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.