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Finding the Fourth Proportional to 352,496.96, 486,448.67 and 195,335.51

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Solution

The fourth proportional to 352,496.96, 486,448.67 and 195,335.51 is: 269,564.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,496.96 : 486,448.67 = 195,335.51 : x
  2. Step 2: Convert to fraction form
    352,496.96/486,448.67 = 195,335.51/x
  3. Step 3: Cross multiply
    352,496.96x = 486,448.67 × 195,335.51
  4. Step 4: Simplify right side
    352,496.96x = 95,020,699,043.27
  5. Step 5: Solve for x
    x = 95,020,699,043.27/352,496.96
  6. Step 6: Final answer
    x = 269,564.59

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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.