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Finding the Fourth Proportional to 352,887.96, 486,988.36 and 191,743.01

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Solution

The fourth proportional to 352,887.96, 486,988.36 and 191,743.01 is: 264,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,887.96 : 486,988.36 = 191,743.01 : x
  2. Step 2: Convert to fraction form
    352,887.96/486,988.36 = 191,743.01/x
  3. Step 3: Cross multiply
    352,887.96x = 486,988.36 × 191,743.01
  4. Step 4: Simplify right side
    352,887.96x = 93,376,613,022.65
  5. Step 5: Solve for x
    x = 93,376,613,022.65/352,887.96
  6. Step 6: Final answer
    x = 264,606.97

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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.