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Finding the Fourth Proportional to 613,019.24, 919,491.45 and 228,694.08

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Solution

The fourth proportional to 613,019.24, 919,491.45 and 228,694.08 is: 343,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,019.24 : 919,491.45 = 228,694.08 : x
  2. Step 2: Convert to fraction form
    613,019.24/919,491.45 = 228,694.08/x
  3. Step 3: Cross multiply
    613,019.24x = 919,491.45 × 228,694.08
  4. Step 4: Simplify right side
    613,019.24x = 210,282,253,816.11
  5. Step 5: Solve for x
    x = 210,282,253,816.11/613,019.24
  6. Step 6: Final answer
    x = 343,027.17

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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.