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Finding the Fourth Proportional to 624,229.64, 936,352.41 and 219,405.51

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Solution

The fourth proportional to 624,229.64, 936,352.41 and 219,405.51 is: 329,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,229.64 : 936,352.41 = 219,405.51 : x
  2. Step 2: Convert to fraction form
    624,229.64/936,352.41 = 219,405.51/x
  3. Step 3: Cross multiply
    624,229.64x = 936,352.41 × 219,405.51
  4. Step 4: Simplify right side
    624,229.64x = 205,440,877,233.01
  5. Step 5: Solve for x
    x = 205,440,877,233.01/624,229.64
  6. Step 6: Final answer
    x = 329,111.06

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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.