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Finding the Fourth Proportional to 335,409.87, 503,008.07 and 110,728.47

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Solution

The fourth proportional to 335,409.87, 503,008.07 and 110,728.47 is: 166,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,409.87 : 503,008.07 = 110,728.47 : x
  2. Step 2: Convert to fraction form
    335,409.87/503,008.07 = 110,728.47/x
  3. Step 3: Cross multiply
    335,409.87x = 503,008.07 × 110,728.47
  4. Step 4: Simplify right side
    335,409.87x = 55,697,313,435.11
  5. Step 5: Solve for x
    x = 55,697,313,435.11/335,409.87
  6. Step 6: Final answer
    x = 166,057.47

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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.