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Finding the Fourth Proportional to 624,359.48, 861,616 and 337,879.52

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Solution

The fourth proportional to 624,359.48, 861,616 and 337,879.52 is: 466,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,359.48 : 861,616 = 337,879.52 : x
  2. Step 2: Convert to fraction form
    624,359.48/861,616 = 337,879.52/x
  3. Step 3: Cross multiply
    624,359.48x = 861,616 × 337,879.52
  4. Step 4: Simplify right side
    624,359.48x = 291,122,400,504.32
  5. Step 5: Solve for x
    x = 291,122,400,504.32/624,359.48
  6. Step 6: Final answer
    x = 466,273.69

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1.5x scale

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.