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Finding the Fourth Proportional to 375,314.18, 517,933.78 and 205,548.26

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Solution

The fourth proportional to 375,314.18, 517,933.78 and 205,548.26 is: 283,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,314.18 : 517,933.78 = 205,548.26 : x
  2. Step 2: Convert to fraction form
    375,314.18/517,933.78 = 205,548.26/x
  3. Step 3: Cross multiply
    375,314.18x = 517,933.78 × 205,548.26
  4. Step 4: Simplify right side
    375,314.18x = 106,460,387,274.22
  5. Step 5: Solve for x
    x = 106,460,387,274.22/375,314.18
  6. Step 6: Final answer
    x = 283,656.71

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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.