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Finding the Fourth Proportional to 624,234.66, 936,359.92 and 219,410.52

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Solution

The fourth proportional to 624,234.66, 936,359.92 and 219,410.52 is: 329,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,234.66 : 936,359.92 = 219,410.52 : x
  2. Step 2: Convert to fraction form
    624,234.66/936,359.92 = 219,410.52/x
  3. Step 3: Cross multiply
    624,234.66x = 936,359.92 × 219,410.52
  4. Step 4: Simplify right side
    624,234.66x = 205,447,216,954.36
  5. Step 5: Solve for x
    x = 205,447,216,954.36/624,234.66
  6. Step 6: Final answer
    x = 329,118.57

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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.