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Finding the Fourth Proportional to 486,892.76, 671,910.22 and 269,095.32

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Solution

The fourth proportional to 486,892.76, 671,910.22 and 269,095.32 is: 371,350.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,892.76 : 671,910.22 = 269,095.32 : x
  2. Step 2: Convert to fraction form
    486,892.76/671,910.22 = 269,095.32/x
  3. Step 3: Cross multiply
    486,892.76x = 671,910.22 × 269,095.32
  4. Step 4: Simplify right side
    486,892.76x = 180,807,895,662.17
  5. Step 5: Solve for x
    x = 180,807,895,662.17/486,892.76
  6. Step 6: Final answer
    x = 371,350.55

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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.