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Finding the Fourth Proportional to 352,755.33, 486,805.95 and 191,613.53

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Solution

The fourth proportional to 352,755.33, 486,805.95 and 191,613.53 is: 264,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,755.33 : 486,805.95 = 191,613.53 : x
  2. Step 2: Convert to fraction form
    352,755.33/486,805.95 = 191,613.53/x
  3. Step 3: Cross multiply
    352,755.33x = 486,805.95 × 191,613.53
  4. Step 4: Simplify right side
    352,755.33x = 93,278,604,070.47
  5. Step 5: Solve for x
    x = 93,278,604,070.47/352,755.33
  6. Step 6: Final answer
    x = 264,428.62

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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.