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Finding the Fourth Proportional to 544,849.70, 817,274.55 and 170,872.10

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Solution

The fourth proportional to 544,849.70, 817,274.55 and 170,872.10 is: 256,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,849.70 : 817,274.55 = 170,872.10 : x
  2. Step 2: Convert to fraction form
    544,849.70/817,274.55 = 170,872.10/x
  3. Step 3: Cross multiply
    544,849.70x = 817,274.55 × 170,872.10
  4. Step 4: Simplify right side
    544,849.70x = 139,649,418,635.06
  5. Step 5: Solve for x
    x = 139,649,418,635.06/544,849.70
  6. Step 6: Final answer
    x = 256,308.15

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Similar ratio
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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.