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Finding the Fourth Proportional to 524,600.55, 786,900.83 and 512,936.55

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Solution

The fourth proportional to 524,600.55, 786,900.83 and 512,936.55 is: 769,404.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,600.55 : 786,900.83 = 512,936.55 : x
  2. Step 2: Convert to fraction form
    524,600.55/786,900.83 = 512,936.55/x
  3. Step 3: Cross multiply
    524,600.55x = 786,900.83 × 512,936.55
  4. Step 4: Simplify right side
    524,600.55x = 403,630,194,367.65
  5. Step 5: Solve for x
    x = 403,630,194,367.65/524,600.55
  6. Step 6: Final answer
    x = 769,404.83

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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.