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Finding the Fourth Proportional to 352,730.33, 486,771.43 and 191,588.53

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Solution

The fourth proportional to 352,730.33, 486,771.43 and 191,588.53 is: 264,394.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,730.33 : 486,771.43 = 191,588.53 : x
  2. Step 2: Convert to fraction form
    352,730.33/486,771.43 = 191,588.53/x
  3. Step 3: Cross multiply
    352,730.33x = 486,771.43 × 191,588.53
  4. Step 4: Simplify right side
    352,730.33x = 93,259,820,285.84
  5. Step 5: Solve for x
    x = 93,259,820,285.84/352,730.33
  6. Step 6: Final answer
    x = 264,394.11

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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.