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Finding the Fourth Proportional to 272,393.66, 375,915.38 and 226,995.64

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Solution

The fourth proportional to 272,393.66, 375,915.38 and 226,995.64 is: 313,264.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,393.66 : 375,915.38 = 226,995.64 : x
  2. Step 2: Convert to fraction form
    272,393.66/375,915.38 = 226,995.64/x
  3. Step 3: Cross multiply
    272,393.66x = 375,915.38 × 226,995.64
  4. Step 4: Simplify right side
    272,393.66x = 85,331,152,268.94
  5. Step 5: Solve for x
    x = 85,331,152,268.94/272,393.66
  6. Step 6: Final answer
    x = 313,264.09

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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.