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Finding the Fourth Proportional to 375,850.64, 518,572.08 and 214,673.60

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Solution

The fourth proportional to 375,850.64, 518,572.08 and 214,673.60 is: 296,191.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,850.64 : 518,572.08 = 214,673.60 : x
  2. Step 2: Convert to fraction form
    375,850.64/518,572.08 = 214,673.60/x
  3. Step 3: Cross multiply
    375,850.64x = 518,572.08 × 214,673.60
  4. Step 4: Simplify right side
    375,850.64x = 111,323,735,273.09
  5. Step 5: Solve for x
    x = 111,323,735,273.09/375,850.64
  6. Step 6: Final answer
    x = 296,191.42

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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.