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Finding the Fourth Proportional to 488,846.60, 733,269.90 and 471,131.90

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Solution

The fourth proportional to 488,846.60, 733,269.90 and 471,131.90 is: 706,697.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,846.60 : 733,269.90 = 471,131.90 : x
  2. Step 2: Convert to fraction form
    488,846.60/733,269.90 = 471,131.90/x
  3. Step 3: Cross multiply
    488,846.60x = 733,269.90 × 471,131.90
  4. Step 4: Simplify right side
    488,846.60x = 345,466,841,199.81
  5. Step 5: Solve for x
    x = 345,466,841,199.81/488,846.60
  6. Step 6: Final answer
    x = 706,697.85

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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.