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Finding the Fourth Proportional to 454,762.80, 627,576.72 and 250,821.60

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Solution

The fourth proportional to 454,762.80, 627,576.72 and 250,821.60 is: 346,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,762.80 : 627,576.72 = 250,821.60 : x
  2. Step 2: Convert to fraction form
    454,762.80/627,576.72 = 250,821.60/x
  3. Step 3: Cross multiply
    454,762.80x = 627,576.72 × 250,821.60
  4. Step 4: Simplify right side
    454,762.80x = 157,409,797,033.15
  5. Step 5: Solve for x
    x = 157,409,797,033.15/454,762.80
  6. Step 6: Final answer
    x = 346,136.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.