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Finding the Fourth Proportional to 376,133.56, 519,099.48 and 214,957.16

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Solution

The fourth proportional to 376,133.56, 519,099.48 and 214,957.16 is: 296,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,133.56 : 519,099.48 = 214,957.16 : x
  2. Step 2: Convert to fraction form
    376,133.56/519,099.48 = 214,957.16/x
  3. Step 3: Cross multiply
    376,133.56x = 519,099.48 × 214,957.16
  4. Step 4: Simplify right side
    376,133.56x = 111,584,149,978.28
  5. Step 5: Solve for x
    x = 111,584,149,978.28/376,133.56
  6. Step 6: Final answer
    x = 296,660.98

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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.