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Finding the Fourth Proportional to 603,563.50, 905,485.29 and 177,082.12

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Solution

The fourth proportional to 603,563.50, 905,485.29 and 177,082.12 is: 265,664.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,563.50 : 905,485.29 = 177,082.12 : x
  2. Step 2: Convert to fraction form
    603,563.50/905,485.29 = 177,082.12/x
  3. Step 3: Cross multiply
    603,563.50x = 905,485.29 × 177,082.12
  4. Step 4: Simplify right side
    603,563.50x = 160,345,254,782.02
  5. Step 5: Solve for x
    x = 160,345,254,782.02/603,563.50
  6. Step 6: Final answer
    x = 265,664.27

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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.