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Finding the Fourth Proportional to 228,900.20, 342,659.10 and 201,252.20

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Solution

The fourth proportional to 228,900.20, 342,659.10 and 201,252.20 is: 301,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,900.20 : 342,659.10 = 201,252.20 : x
  2. Step 2: Convert to fraction form
    228,900.20/342,659.10 = 201,252.20/x
  3. Step 3: Cross multiply
    228,900.20x = 342,659.10 × 201,252.20
  4. Step 4: Simplify right side
    228,900.20x = 68,960,897,725.02
  5. Step 5: Solve for x
    x = 68,960,897,725.02/228,900.20
  6. Step 6: Final answer
    x = 301,270.59

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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.