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Finding the Fourth Proportional to 624,239.66, 936,367.42 and 219,415.52

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Solution

The fourth proportional to 624,239.66, 936,367.42 and 219,415.52 is: 329,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,239.66 : 936,367.42 = 219,415.52 : x
  2. Step 2: Convert to fraction form
    624,239.66/936,367.42 = 219,415.52/x
  3. Step 3: Cross multiply
    624,239.66x = 936,367.42 × 219,415.52
  4. Step 4: Simplify right side
    624,239.66x = 205,453,544,370.36
  5. Step 5: Solve for x
    x = 205,453,544,370.36/624,239.66
  6. Step 6: Final answer
    x = 329,126.07

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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.