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Finding the Fourth Proportional to 461,424.60, 692,136.90 and 443,709.90

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Solution

The fourth proportional to 461,424.60, 692,136.90 and 443,709.90 is: 665,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,424.60 : 692,136.90 = 443,709.90 : x
  2. Step 2: Convert to fraction form
    461,424.60/692,136.90 = 443,709.90/x
  3. Step 3: Cross multiply
    461,424.60x = 692,136.90 × 443,709.90
  4. Step 4: Simplify right side
    461,424.60x = 307,107,994,685.31
  5. Step 5: Solve for x
    x = 307,107,994,685.31/461,424.60
  6. Step 6: Final answer
    x = 665,564.85

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Similar ratio
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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.