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Finding the Fourth Proportional to 201,888.60, 302,832.90 and 200,506.20

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Solution

The fourth proportional to 201,888.60, 302,832.90 and 200,506.20 is: 300,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,888.60 : 302,832.90 = 200,506.20 : x
  2. Step 2: Convert to fraction form
    201,888.60/302,832.90 = 200,506.20/x
  3. Step 3: Cross multiply
    201,888.60x = 302,832.90 × 200,506.20
  4. Step 4: Simplify right side
    201,888.60x = 60,719,874,013.98
  5. Step 5: Solve for x
    x = 60,719,874,013.98/201,888.60
  6. Step 6: Final answer
    x = 300,759.30

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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.