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Finding the Fourth Proportional to 335,858.96, 463,480.76 and 190,663.47

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Solution

The fourth proportional to 335,858.96, 463,480.76 and 190,663.47 is: 263,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,858.96 : 463,480.76 = 190,663.47 : x
  2. Step 2: Convert to fraction form
    335,858.96/463,480.76 = 190,663.47/x
  3. Step 3: Cross multiply
    335,858.96x = 463,480.76 × 190,663.47
  4. Step 4: Simplify right side
    335,858.96x = 88,368,849,979.84
  5. Step 5: Solve for x
    x = 88,368,849,979.84/335,858.96
  6. Step 6: Final answer
    x = 263,112.97

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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.