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Finding the Fourth Proportional to 451,644.93, 623,278.00 and 247,694.07

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Solution

The fourth proportional to 451,644.93, 623,278.00 and 247,694.07 is: 341,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,644.93 : 623,278.00 = 247,694.07 : x
  2. Step 2: Convert to fraction form
    451,644.93/623,278.00 = 247,694.07/x
  3. Step 3: Cross multiply
    451,644.93x = 623,278.00 × 247,694.07
  4. Step 4: Simplify right side
    451,644.93x = 154,382,267,208.37
  5. Step 5: Solve for x
    x = 154,382,267,208.37/451,644.93
  6. Step 6: Final answer
    x = 341,822.21

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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.