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Finding the Fourth Proportional to 224,530.80, 335,824.20 and 201,008.40

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Solution

The fourth proportional to 224,530.80, 335,824.20 and 201,008.40 is: 300,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,530.80 : 335,824.20 = 201,008.40 : x
  2. Step 2: Convert to fraction form
    224,530.80/335,824.20 = 201,008.40/x
  3. Step 3: Cross multiply
    224,530.80x = 335,824.20 × 201,008.40
  4. Step 4: Simplify right side
    224,530.80x = 67,503,485,123.28
  5. Step 5: Solve for x
    x = 67,503,485,123.28/224,530.80
  6. Step 6: Final answer
    x = 300,642.43

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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.