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Finding the Fourth Proportional to 624,169.70, 936,124.95 and 269,195.30

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Solution

The fourth proportional to 624,169.70, 936,124.95 and 269,195.30 is: 403,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,169.70 : 936,124.95 = 269,195.30 : x
  2. Step 2: Convert to fraction form
    624,169.70/936,124.95 = 269,195.30/x
  3. Step 3: Cross multiply
    624,169.70x = 936,124.95 × 269,195.30
  4. Step 4: Simplify right side
    624,169.70x = 252,000,436,752.74
  5. Step 5: Solve for x
    x = 252,000,436,752.74/624,169.70
  6. Step 6: Final answer
    x = 403,737.06

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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.