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Finding the Fourth Proportional to 408,994.62, 564,266.49 and 236,818.59

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Solution

The fourth proportional to 408,994.62, 564,266.49 and 236,818.59 is: 326,725.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,994.62 : 564,266.49 = 236,818.59 : x
  2. Step 2: Convert to fraction form
    408,994.62/564,266.49 = 236,818.59/x
  3. Step 3: Cross multiply
    408,994.62x = 564,266.49 × 236,818.59
  4. Step 4: Simplify right side
    408,994.62x = 133,628,791,541.98
  5. Step 5: Solve for x
    x = 133,628,791,541.98/408,994.62
  6. Step 6: Final answer
    x = 326,725.06

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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.