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Finding the Fourth Proportional to 272,691.92, 376,213.06 and 272,270.92

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Solution

The fourth proportional to 272,691.92, 376,213.06 and 272,270.92 is: 375,632.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,691.92 : 376,213.06 = 272,270.92 : x
  2. Step 2: Convert to fraction form
    272,691.92/376,213.06 = 272,270.92/x
  3. Step 3: Cross multiply
    272,691.92x = 376,213.06 × 272,270.92
  4. Step 4: Simplify right side
    272,691.92x = 102,431,875,962.22
  5. Step 5: Solve for x
    x = 102,431,875,962.22/272,691.92
  6. Step 6: Final answer
    x = 375,632.24

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1.5x scale

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.