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Finding the Fourth Proportional to 424,850.80, 637,276.20 and 365,753.20

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Solution

The fourth proportional to 424,850.80, 637,276.20 and 365,753.20 is: 548,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,850.80 : 637,276.20 = 365,753.20 : x
  2. Step 2: Convert to fraction form
    424,850.80/637,276.20 = 365,753.20/x
  3. Step 3: Cross multiply
    424,850.80x = 637,276.20 × 365,753.20
  4. Step 4: Simplify right side
    424,850.80x = 233,085,809,433.84
  5. Step 5: Solve for x
    x = 233,085,809,433.84/424,850.80
  6. Step 6: Final answer
    x = 548,629.80

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Similar ratio
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1.5x scale

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.