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Finding the Fourth Proportional to 544,857.84, 817,286.76 and 170,910

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Solution

The fourth proportional to 544,857.84, 817,286.76 and 170,910 is: 256,365.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,857.84 : 817,286.76 = 170,910 : x
  2. Step 2: Convert to fraction form
    544,857.84/817,286.76 = 170,910/x
  3. Step 3: Cross multiply
    544,857.84x = 817,286.76 × 170,910
  4. Step 4: Simplify right side
    544,857.84x = 139,682,480,151.60
  5. Step 5: Solve for x
    x = 139,682,480,151.60/544,857.84
  6. Step 6: Final answer
    x = 256,365.00

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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.