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Finding the Fourth Proportional to 624,657.20, 937,423.20 and 269,925.80

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Solution

The fourth proportional to 624,657.20, 937,423.20 and 269,925.80 is: 405,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,657.20 : 937,423.20 = 269,925.80 : x
  2. Step 2: Convert to fraction form
    624,657.20/937,423.20 = 269,925.80/x
  3. Step 3: Cross multiply
    624,657.20x = 937,423.20 × 269,925.80
  4. Step 4: Simplify right side
    624,657.20x = 253,034,707,198.56
  5. Step 5: Solve for x
    x = 253,034,707,198.56/624,657.20
  6. Step 6: Final answer
    x = 405,077.71

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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.