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Finding the Fourth Proportional to 352,765.92, 486,825.76 and 191,620.92

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Solution

The fourth proportional to 352,765.92, 486,825.76 and 191,620.92 is: 264,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,765.92 : 486,825.76 = 191,620.92 : x
  2. Step 2: Convert to fraction form
    352,765.92/486,825.76 = 191,620.92/x
  3. Step 3: Cross multiply
    352,765.92x = 486,825.76 × 191,620.92
  4. Step 4: Simplify right side
    352,765.92x = 93,286,000,010.90
  5. Step 5: Solve for x
    x = 93,286,000,010.90/352,765.92
  6. Step 6: Final answer
    x = 264,441.64

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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.