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Finding the Fourth Proportional to 228,801.28, 343,188.24 and 135,898.24

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Solution

The fourth proportional to 228,801.28, 343,188.24 and 135,898.24 is: 203,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,801.28 : 343,188.24 = 135,898.24 : x
  2. Step 2: Convert to fraction form
    228,801.28/343,188.24 = 135,898.24/x
  3. Step 3: Cross multiply
    228,801.28x = 343,188.24 × 135,898.24
  4. Step 4: Simplify right side
    228,801.28x = 46,638,677,804.70
  5. Step 5: Solve for x
    x = 46,638,677,804.70/228,801.28
  6. Step 6: Final answer
    x = 203,839.23

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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.