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Finding the Fourth Proportional to 618,822.46, 927,515.32 and 234,326.82

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Solution

The fourth proportional to 618,822.46, 927,515.32 and 234,326.82 is: 351,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,822.46 : 927,515.32 = 234,326.82 : x
  2. Step 2: Convert to fraction form
    618,822.46/927,515.32 = 234,326.82/x
  3. Step 3: Cross multiply
    618,822.46x = 927,515.32 × 234,326.82
  4. Step 4: Simplify right side
    618,822.46x = 217,341,715,436.88
  5. Step 5: Solve for x
    x = 217,341,715,436.88/618,822.46
  6. Step 6: Final answer
    x = 351,218.21

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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.