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Finding the Fourth Proportional to 544,990.56, 817,617.12 and 171,013.56

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Solution

The fourth proportional to 544,990.56, 817,617.12 and 171,013.56 is: 256,561.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,990.56 : 817,617.12 = 171,013.56 : x
  2. Step 2: Convert to fraction form
    544,990.56/817,617.12 = 171,013.56/x
  3. Step 3: Cross multiply
    544,990.56x = 817,617.12 × 171,013.56
  4. Step 4: Simplify right side
    544,990.56x = 139,823,614,408.15
  5. Step 5: Solve for x
    x = 139,823,614,408.15/544,990.56
  6. Step 6: Final answer
    x = 256,561.53

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1.5x scale

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.