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Finding the Fourth Proportional to 245,954.80, 368,932.20 and 201,631.60

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Solution

The fourth proportional to 245,954.80, 368,932.20 and 201,631.60 is: 302,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,954.80 : 368,932.20 = 201,631.60 : x
  2. Step 2: Convert to fraction form
    245,954.80/368,932.20 = 201,631.60/x
  3. Step 3: Cross multiply
    245,954.80x = 368,932.20 × 201,631.60
  4. Step 4: Simplify right side
    245,954.80x = 74,388,389,777.52
  5. Step 5: Solve for x
    x = 74,388,389,777.52/245,954.80
  6. Step 6: Final answer
    x = 302,447.40

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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.