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Finding the Fourth Proportional to 526,522.20, 789,783.30 and 367,089.90

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Solution

The fourth proportional to 526,522.20, 789,783.30 and 367,089.90 is: 550,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,522.20 : 789,783.30 = 367,089.90 : x
  2. Step 2: Convert to fraction form
    526,522.20/789,783.30 = 367,089.90/x
  3. Step 3: Cross multiply
    526,522.20x = 789,783.30 × 367,089.90
  4. Step 4: Simplify right side
    526,522.20x = 289,921,472,618.67
  5. Step 5: Solve for x
    x = 289,921,472,618.67/526,522.20
  6. Step 6: Final answer
    x = 550,634.85

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.