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Finding the Fourth Proportional to 603,136.80, 903,522.56 and 349,885.44

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Solution

The fourth proportional to 603,136.80, 903,522.56 and 349,885.44 is: 524,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,136.80 : 903,522.56 = 349,885.44 : x
  2. Step 2: Convert to fraction form
    603,136.80/903,522.56 = 349,885.44/x
  3. Step 3: Cross multiply
    603,136.80x = 903,522.56 × 349,885.44
  4. Step 4: Simplify right side
    603,136.80x = 316,129,388,455.53
  5. Step 5: Solve for x
    x = 316,129,388,455.53/603,136.80
  6. Step 6: Final answer
    x = 524,142.10

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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.