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Finding the Fourth Proportional to 544,736.80, 817,105.20 and 404,768.80

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Solution

The fourth proportional to 544,736.80, 817,105.20 and 404,768.80 is: 607,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,736.80 : 817,105.20 = 404,768.80 : x
  2. Step 2: Convert to fraction form
    544,736.80/817,105.20 = 404,768.80/x
  3. Step 3: Cross multiply
    544,736.80x = 817,105.20 × 404,768.80
  4. Step 4: Simplify right side
    544,736.80x = 330,738,691,277.76
  5. Step 5: Solve for x
    x = 330,738,691,277.76/544,736.80
  6. Step 6: Final answer
    x = 607,153.20

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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.