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Finding the Fourth Proportional to 352,552.48, 486,552.54 and 199,617.62

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Solution

The fourth proportional to 352,552.48, 486,552.54 and 199,617.62 is: 275,489.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,552.48 : 486,552.54 = 199,617.62 : x
  2. Step 2: Convert to fraction form
    352,552.48/486,552.54 = 199,617.62/x
  3. Step 3: Cross multiply
    352,552.48x = 486,552.54 × 199,617.62
  4. Step 4: Simplify right side
    352,552.48x = 97,124,460,039.75
  5. Step 5: Solve for x
    x = 97,124,460,039.75/352,552.48
  6. Step 6: Final answer
    x = 275,489.37

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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.