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Finding the Fourth Proportional to 408,274.46, 563,450.28 and 244,937.10

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Solution

The fourth proportional to 408,274.46, 563,450.28 and 244,937.10 is: 338,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,274.46 : 563,450.28 = 244,937.10 : x
  2. Step 2: Convert to fraction form
    408,274.46/563,450.28 = 244,937.10/x
  3. Step 3: Cross multiply
    408,274.46x = 563,450.28 × 244,937.10
  4. Step 4: Simplify right side
    408,274.46x = 138,009,877,577.39
  5. Step 5: Solve for x
    x = 138,009,877,577.39/408,274.46
  6. Step 6: Final answer
    x = 338,032.11

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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.