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Finding the Fourth Proportional to 228,152.97, 340,558.38 and 201,219.21

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Solution

The fourth proportional to 228,152.97, 340,558.38 and 201,219.21 is: 300,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,152.97 : 340,558.38 = 201,219.21 : x
  2. Step 2: Convert to fraction form
    228,152.97/340,558.38 = 201,219.21/x
  3. Step 3: Cross multiply
    228,152.97x = 340,558.38 × 201,219.21
  4. Step 4: Simplify right side
    228,152.97x = 68,526,888,182.48
  5. Step 5: Solve for x
    x = 68,526,888,182.48/228,152.97
  6. Step 6: Final answer
    x = 300,355.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.