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Finding the Fourth Proportional to 201,691.30, 302,536.95 and 196,507.30

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Solution

The fourth proportional to 201,691.30, 302,536.95 and 196,507.30 is: 294,760.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,691.30 : 302,536.95 = 196,507.30 : x
  2. Step 2: Convert to fraction form
    201,691.30/302,536.95 = 196,507.30/x
  3. Step 3: Cross multiply
    201,691.30x = 302,536.95 × 196,507.30
  4. Step 4: Simplify right side
    201,691.30x = 59,450,719,194.74
  5. Step 5: Solve for x
    x = 59,450,719,194.74/201,691.30
  6. Step 6: Final answer
    x = 294,760.95

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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.