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Finding the Fourth Proportional to 234,880.40, 351,737.40 and 188,224.40

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Solution

The fourth proportional to 234,880.40, 351,737.40 and 188,224.40 is: 281,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,880.40 : 351,737.40 = 188,224.40 : x
  2. Step 2: Convert to fraction form
    234,880.40/351,737.40 = 188,224.40/x
  3. Step 3: Cross multiply
    234,880.40x = 351,737.40 × 188,224.40
  4. Step 4: Simplify right side
    234,880.40x = 66,205,561,072.56
  5. Step 5: Solve for x
    x = 66,205,561,072.56/234,880.40
  6. Step 6: Final answer
    x = 281,869.25

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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.