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Finding the Fourth Proportional to 463,660.80, 695,491.20 and 148,149.60

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Solution

The fourth proportional to 463,660.80, 695,491.20 and 148,149.60 is: 222,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,660.80 : 695,491.20 = 148,149.60 : x
  2. Step 2: Convert to fraction form
    463,660.80/695,491.20 = 148,149.60/x
  3. Step 3: Cross multiply
    463,660.80x = 695,491.20 × 148,149.60
  4. Step 4: Simplify right side
    463,660.80x = 103,036,743,083.52
  5. Step 5: Solve for x
    x = 103,036,743,083.52/463,660.80
  6. Step 6: Final answer
    x = 222,224.40

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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.