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Finding the Fourth Proportional to 352,945.06, 486,728.94 and 232,188.64

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Solution

The fourth proportional to 352,945.06, 486,728.94 and 232,188.64 is: 320,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,945.06 : 486,728.94 = 232,188.64 : x
  2. Step 2: Convert to fraction form
    352,945.06/486,728.94 = 232,188.64/x
  3. Step 3: Cross multiply
    352,945.06x = 486,728.94 × 232,188.64
  4. Step 4: Simplify right side
    352,945.06x = 113,012,930,627.24
  5. Step 5: Solve for x
    x = 113,012,930,627.24/352,945.06
  6. Step 6: Final answer
    x = 320,199.78

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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.