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Finding the Fourth Proportional to 437,561, 603,834.50 and 236,357

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Solution

The fourth proportional to 437,561, 603,834.50 and 236,357 is: 326,172.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,561 : 603,834.50 = 236,357 : x
  2. Step 2: Convert to fraction form
    437,561/603,834.50 = 236,357/x
  3. Step 3: Cross multiply
    437,561x = 603,834.50 × 236,357
  4. Step 4: Simplify right side
    437,561x = 142,720,510,916.50
  5. Step 5: Solve for x
    x = 142,720,510,916.50/437,561
  6. Step 6: Final answer
    x = 326,172.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.