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Finding the Fourth Proportional to 492,703.46, 679,927.98 and 277,845.32

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Solution

The fourth proportional to 492,703.46, 679,927.98 and 277,845.32 is: 383,424.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,703.46 : 679,927.98 = 277,845.32 : x
  2. Step 2: Convert to fraction form
    492,703.46/679,927.98 = 277,845.32/x
  3. Step 3: Cross multiply
    492,703.46x = 679,927.98 × 277,845.32
  4. Step 4: Simplify right side
    492,703.46x = 188,914,807,180.05
  5. Step 5: Solve for x
    x = 188,914,807,180.05/492,703.46
  6. Step 6: Final answer
    x = 383,424.97

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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.