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Finding the Fourth Proportional to 352,832.73, 486,911.07 and 216,955.46

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Solution

The fourth proportional to 352,832.73, 486,911.07 and 216,955.46 is: 299,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,832.73 : 486,911.07 = 216,955.46 : x
  2. Step 2: Convert to fraction form
    352,832.73/486,911.07 = 216,955.46/x
  3. Step 3: Cross multiply
    352,832.73x = 486,911.07 × 216,955.46
  4. Step 4: Simplify right side
    352,832.73x = 105,638,016,998.41
  5. Step 5: Solve for x
    x = 105,638,016,998.41/352,832.73
  6. Step 6: Final answer
    x = 299,399.71

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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.