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Finding the Fourth Proportional to 624,559.20, 937,276.20 and 269,827.80

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Solution

The fourth proportional to 624,559.20, 937,276.20 and 269,827.80 is: 404,930.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,559.20 : 937,276.20 = 269,827.80 : x
  2. Step 2: Convert to fraction form
    624,559.20/937,276.20 = 269,827.80/x
  3. Step 3: Cross multiply
    624,559.20x = 937,276.20 × 269,827.80
  4. Step 4: Simplify right side
    624,559.20x = 252,903,175,038.36
  5. Step 5: Solve for x
    x = 252,903,175,038.36/624,559.20
  6. Step 6: Final answer
    x = 404,930.67

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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.