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Finding the Fourth Proportional to 437,600.10, 655,087.95 and 411,647.70

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Solution

The fourth proportional to 437,600.10, 655,087.95 and 411,647.70 is: 616,237.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,600.10 : 655,087.95 = 411,647.70 : x
  2. Step 2: Convert to fraction form
    437,600.10/655,087.95 = 411,647.70/x
  3. Step 3: Cross multiply
    437,600.10x = 655,087.95 × 411,647.70
  4. Step 4: Simplify right side
    437,600.10x = 269,665,447,915.22
  5. Step 5: Solve for x
    x = 269,665,447,915.22/437,600.10
  6. Step 6: Final answer
    x = 616,237.17

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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.