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Finding the Fourth Proportional to 544,725.20, 817,219.05 and 170,748.20

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Solution

The fourth proportional to 544,725.20, 817,219.05 and 170,748.20 is: 256,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,725.20 : 817,219.05 = 170,748.20 : x
  2. Step 2: Convert to fraction form
    544,725.20/817,219.05 = 170,748.20/x
  3. Step 3: Cross multiply
    544,725.20x = 817,219.05 × 170,748.20
  4. Step 4: Simplify right side
    544,725.20x = 139,538,681,793.21
  5. Step 5: Solve for x
    x = 139,538,681,793.21/544,725.20
  6. Step 6: Final answer
    x = 256,163.44

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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.