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Finding the Fourth Proportional to 404,838.56, 558,634.80 and 235,039.52

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Solution

The fourth proportional to 404,838.56, 558,634.80 and 235,039.52 is: 324,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,838.56 : 558,634.80 = 235,039.52 : x
  2. Step 2: Convert to fraction form
    404,838.56/558,634.80 = 235,039.52/x
  3. Step 3: Cross multiply
    404,838.56x = 558,634.80 × 235,039.52
  4. Step 4: Simplify right side
    404,838.56x = 131,301,255,247.30
  5. Step 5: Solve for x
    x = 131,301,255,247.30/404,838.56
  6. Step 6: Final answer
    x = 324,329.91

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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.