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Finding the Fourth Proportional to 345,892.48, 477,333.38 and 190,849.13

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Solution

The fourth proportional to 345,892.48, 477,333.38 and 190,849.13 is: 263,372.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,892.48 : 477,333.38 = 190,849.13 : x
  2. Step 2: Convert to fraction form
    345,892.48/477,333.38 = 190,849.13/x
  3. Step 3: Cross multiply
    345,892.48x = 477,333.38 × 190,849.13
  4. Step 4: Simplify right side
    345,892.48x = 91,098,661,323.03
  5. Step 5: Solve for x
    x = 91,098,661,323.03/345,892.48
  6. Step 6: Final answer
    x = 263,372.77

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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.