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Finding the Fourth Proportional to 562,503.15, 844,023.31 and 262,940.21

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Solution

The fourth proportional to 562,503.15, 844,023.31 and 262,940.21 is: 394,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,503.15 : 844,023.31 = 262,940.21 : x
  2. Step 2: Convert to fraction form
    562,503.15/844,023.31 = 262,940.21/x
  3. Step 3: Cross multiply
    562,503.15x = 844,023.31 × 262,940.21
  4. Step 4: Simplify right side
    562,503.15x = 221,927,664,663.92
  5. Step 5: Solve for x
    x = 221,927,664,663.92/562,503.15
  6. Step 6: Final answer
    x = 394,535.86

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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.