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Finding the Fourth Proportional to 544,982.26, 817,529.13 and 208,306.30

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Solution

The fourth proportional to 544,982.26, 817,529.13 and 208,306.30 is: 312,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,982.26 : 817,529.13 = 208,306.30 : x
  2. Step 2: Convert to fraction form
    544,982.26/817,529.13 = 208,306.30/x
  3. Step 3: Cross multiply
    544,982.26x = 817,529.13 × 208,306.30
  4. Step 4: Simplify right side
    544,982.26x = 170,296,468,212.52
  5. Step 5: Solve for x
    x = 170,296,468,212.52/544,982.26
  6. Step 6: Final answer
    x = 312,480.76

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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.