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Finding the Fourth Proportional to 201,690.30, 302,535.45 and 196,506.30

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Solution

The fourth proportional to 201,690.30, 302,535.45 and 196,506.30 is: 294,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,690.30 : 302,535.45 = 196,506.30 : x
  2. Step 2: Convert to fraction form
    201,690.30/302,535.45 = 196,506.30/x
  3. Step 3: Cross multiply
    201,690.30x = 302,535.45 × 196,506.30
  4. Step 4: Simplify right side
    201,690.30x = 59,450,121,898.34
  5. Step 5: Solve for x
    x = 59,450,121,898.34/201,690.30
  6. Step 6: Final answer
    x = 294,759.45

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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.