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Finding the Fourth Proportional to 254,496.40, 381,161.40 and 248,664.40

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Solution

The fourth proportional to 254,496.40, 381,161.40 and 248,664.40 is: 372,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,496.40 : 381,161.40 = 248,664.40 : x
  2. Step 2: Convert to fraction form
    254,496.40/381,161.40 = 248,664.40/x
  3. Step 3: Cross multiply
    254,496.40x = 381,161.40 × 248,664.40
  4. Step 4: Simplify right side
    254,496.40x = 94,781,270,834.16
  5. Step 5: Solve for x
    x = 94,781,270,834.16/254,496.40
  6. Step 6: Final answer
    x = 372,426.76

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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.