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Finding the Fourth Proportional to 624,561.20, 937,279.20 and 269,829.80

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Solution

The fourth proportional to 624,561.20, 937,279.20 and 269,829.80 is: 404,933.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,561.20 : 937,279.20 = 269,829.80 : x
  2. Step 2: Convert to fraction form
    624,561.20/937,279.20 = 269,829.80/x
  3. Step 3: Cross multiply
    624,561.20x = 937,279.20 × 269,829.80
  4. Step 4: Simplify right side
    624,561.20x = 252,905,859,080.16
  5. Step 5: Solve for x
    x = 252,905,859,080.16/624,561.20
  6. Step 6: Final answer
    x = 404,933.67

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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.