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Finding the Fourth Proportional to 544,704.75, 751,692.57 and 306,240.75

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Solution

The fourth proportional to 544,704.75, 751,692.57 and 306,240.75 is: 422,612.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,704.75 : 751,692.57 = 306,240.75 : x
  2. Step 2: Convert to fraction form
    544,704.75/751,692.57 = 306,240.75/x
  3. Step 3: Cross multiply
    544,704.75x = 751,692.57 × 306,240.75
  4. Step 4: Simplify right side
    544,704.75x = 230,198,896,406.23
  5. Step 5: Solve for x
    x = 230,198,896,406.23/544,704.75
  6. Step 6: Final answer
    x = 422,612.24

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.