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Finding the Fourth Proportional to 368,296.03, 508,076.89 and 239,225.37

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Solution

The fourth proportional to 368,296.03, 508,076.89 and 239,225.37 is: 330,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,296.03 : 508,076.89 = 239,225.37 : x
  2. Step 2: Convert to fraction form
    368,296.03/508,076.89 = 239,225.37/x
  3. Step 3: Cross multiply
    368,296.03x = 508,076.89 × 239,225.37
  4. Step 4: Simplify right side
    368,296.03x = 121,544,881,998.70
  5. Step 5: Solve for x
    x = 121,544,881,998.70/368,296.03
  6. Step 6: Final answer
    x = 330,019.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.