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Finding the Fourth Proportional to 604,082.64, 905,980.88 and 225,181.25

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Solution

The fourth proportional to 604,082.64, 905,980.88 and 225,181.25 is: 337,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,082.64 : 905,980.88 = 225,181.25 : x
  2. Step 2: Convert to fraction form
    604,082.64/905,980.88 = 225,181.25/x
  3. Step 3: Cross multiply
    604,082.64x = 905,980.88 × 225,181.25
  4. Step 4: Simplify right side
    604,082.64x = 204,009,906,464.98
  5. Step 5: Solve for x
    x = 204,009,906,464.98/604,082.64
  6. Step 6: Final answer
    x = 337,718.54

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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.