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Finding the Fourth Proportional to 603,236.70, 905,511.15 and 337,516.20

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Solution

The fourth proportional to 603,236.70, 905,511.15 and 337,516.20 is: 506,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,236.70 : 905,511.15 = 337,516.20 : x
  2. Step 2: Convert to fraction form
    603,236.70/905,511.15 = 337,516.20/x
  3. Step 3: Cross multiply
    603,236.70x = 905,511.15 × 337,516.20
  4. Step 4: Simplify right side
    603,236.70x = 305,624,682,405.63
  5. Step 5: Solve for x
    x = 305,624,682,405.63/603,236.70
  6. Step 6: Final answer
    x = 506,641.39

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1.5x scale

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.