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Finding the Fourth Proportional to 373,091.33, 514,851.01 and 203,321.81

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Solution

The fourth proportional to 373,091.33, 514,851.01 and 203,321.81 is: 280,575.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,091.33 : 514,851.01 = 203,321.81 : x
  2. Step 2: Convert to fraction form
    373,091.33/514,851.01 = 203,321.81/x
  3. Step 3: Cross multiply
    373,091.33x = 514,851.01 × 203,321.81
  4. Step 4: Simplify right side
    373,091.33x = 104,680,439,233.53
  5. Step 5: Solve for x
    x = 104,680,439,233.53/373,091.33
  6. Step 6: Final answer
    x = 280,575.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.