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Finding the Fourth Proportional to 526,529.80, 789,794.70 and 260,809.30

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Solution

The fourth proportional to 526,529.80, 789,794.70 and 260,809.30 is: 391,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,529.80 : 789,794.70 = 260,809.30 : x
  2. Step 2: Convert to fraction form
    526,529.80/789,794.70 = 260,809.30/x
  3. Step 3: Cross multiply
    526,529.80x = 789,794.70 × 260,809.30
  4. Step 4: Simplify right side
    526,529.80x = 205,985,802,850.71
  5. Step 5: Solve for x
    x = 205,985,802,850.71/526,529.80
  6. Step 6: Final answer
    x = 391,213.95

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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.