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Finding the Fourth Proportional to 603,532.55, 905,364.43 and 224,408.81

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Solution

The fourth proportional to 603,532.55, 905,364.43 and 224,408.81 is: 336,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,532.55 : 905,364.43 = 224,408.81 : x
  2. Step 2: Convert to fraction form
    603,532.55/905,364.43 = 224,408.81/x
  3. Step 3: Cross multiply
    603,532.55x = 905,364.43 × 224,408.81
  4. Step 4: Simplify right side
    603,532.55x = 203,171,756,055.02
  5. Step 5: Solve for x
    x = 203,171,756,055.02/603,532.55
  6. Step 6: Final answer
    x = 336,637.61

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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.