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Finding the Fourth Proportional to 375,842.25, 518,904.23 and 335,486.97

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Solution

The fourth proportional to 375,842.25, 518,904.23 and 335,486.97 is: 463,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,842.25 : 518,904.23 = 335,486.97 : x
  2. Step 2: Convert to fraction form
    375,842.25/518,904.23 = 335,486.97/x
  3. Step 3: Cross multiply
    375,842.25x = 518,904.23 × 335,486.97
  4. Step 4: Simplify right side
    375,842.25x = 174,085,606,165.45
  5. Step 5: Solve for x
    x = 174,085,606,165.45/375,842.25
  6. Step 6: Final answer
    x = 463,187.96

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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.