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Finding the Fourth Proportional to 234,505.89, 350,042.66 and 201,438.45

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Solution

The fourth proportional to 234,505.89, 350,042.66 and 201,438.45 is: 300,683.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,505.89 : 350,042.66 = 201,438.45 : x
  2. Step 2: Convert to fraction form
    234,505.89/350,042.66 = 201,438.45/x
  3. Step 3: Cross multiply
    234,505.89x = 350,042.66 × 201,438.45
  4. Step 4: Simplify right side
    234,505.89x = 70,512,052,680.53
  5. Step 5: Solve for x
    x = 70,512,052,680.53/234,505.89
  6. Step 6: Final answer
    x = 300,683.50

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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.