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Finding the Fourth Proportional to 495,236.66, 743,215.71 and 179,718.98

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Solution

The fourth proportional to 495,236.66, 743,215.71 and 179,718.98 is: 269,709.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,236.66 : 743,215.71 = 179,718.98 : x
  2. Step 2: Convert to fraction form
    495,236.66/743,215.71 = 179,718.98/x
  3. Step 3: Cross multiply
    495,236.66x = 743,215.71 × 179,718.98
  4. Step 4: Simplify right side
    495,236.66x = 133,569,969,321.18
  5. Step 5: Solve for x
    x = 133,569,969,321.18/495,236.66
  6. Step 6: Final answer
    x = 269,709.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.