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Finding the Fourth Proportional to 352,712.96, 486,749.70 and 191,568.13

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Solution

The fourth proportional to 352,712.96, 486,749.70 and 191,568.13 is: 264,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712.96 : 486,749.70 = 191,568.13 : x
  2. Step 2: Convert to fraction form
    352,712.96/486,749.70 = 191,568.13/x
  3. Step 3: Cross multiply
    352,712.96x = 486,749.70 × 191,568.13
  4. Step 4: Simplify right side
    352,712.96x = 93,245,729,807.06
  5. Step 5: Solve for x
    x = 93,245,729,807.06/352,712.96
  6. Step 6: Final answer
    x = 264,367.18

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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.