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Finding the Fourth Proportional to 272,410.23, 375,938.28 and 227,012.25

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Solution

The fourth proportional to 272,410.23, 375,938.28 and 227,012.25 is: 313,287.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,410.23 : 375,938.28 = 227,012.25 : x
  2. Step 2: Convert to fraction form
    272,410.23/375,938.28 = 227,012.25/x
  3. Step 3: Cross multiply
    272,410.23x = 375,938.28 × 227,012.25
  4. Step 4: Simplify right side
    272,410.23x = 85,342,594,803.93
  5. Step 5: Solve for x
    x = 85,342,594,803.93/272,410.23
  6. Step 6: Final answer
    x = 313,287.04

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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.