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Finding the Fourth Proportional to 526,363.20, 789,544.80 and 471,250.80

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Solution

The fourth proportional to 526,363.20, 789,544.80 and 471,250.80 is: 706,876.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,363.20 : 789,544.80 = 471,250.80 : x
  2. Step 2: Convert to fraction form
    526,363.20/789,544.80 = 471,250.80/x
  3. Step 3: Cross multiply
    526,363.20x = 789,544.80 × 471,250.80
  4. Step 4: Simplify right side
    526,363.20x = 372,073,618,635.84
  5. Step 5: Solve for x
    x = 372,073,618,635.84/526,363.20
  6. Step 6: Final answer
    x = 706,876.20

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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.