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Finding the Fourth Proportional to 335,812.36, 503,718 and 230,311.48

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Solution

The fourth proportional to 335,812.36, 503,718 and 230,311.48 is: 345,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,812.36 : 503,718 = 230,311.48 : x
  2. Step 2: Convert to fraction form
    335,812.36/503,718 = 230,311.48/x
  3. Step 3: Cross multiply
    335,812.36x = 503,718 × 230,311.48
  4. Step 4: Simplify right side
    335,812.36x = 116,012,038,082.64
  5. Step 5: Solve for x
    x = 116,012,038,082.64/335,812.36
  6. Step 6: Final answer
    x = 345,466.85

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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.