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Finding the Fourth Proportional to 538,814.81, 808,222.22 and 239,224.97

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Solution

The fourth proportional to 538,814.81, 808,222.22 and 239,224.97 is: 358,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,814.81 : 808,222.22 = 239,224.97 : x
  2. Step 2: Convert to fraction form
    538,814.81/808,222.22 = 239,224.97/x
  3. Step 3: Cross multiply
    538,814.81x = 808,222.22 × 239,224.97
  4. Step 4: Simplify right side
    538,814.81x = 193,346,936,332.83
  5. Step 5: Solve for x
    x = 193,346,936,332.83/538,814.81
  6. Step 6: Final answer
    x = 358,837.46

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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.