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Finding the Fourth Proportional to 374,561.31, 516,894.61 and 204,795.44

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Solution

The fourth proportional to 374,561.31, 516,894.61 and 204,795.44 is: 282,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,561.31 : 516,894.61 = 204,795.44 : x
  2. Step 2: Convert to fraction form
    374,561.31/516,894.61 = 204,795.44/x
  3. Step 3: Cross multiply
    374,561.31x = 516,894.61 × 204,795.44
  4. Step 4: Simplify right side
    374,561.31x = 105,857,658,308.33
  5. Step 5: Solve for x
    x = 105,857,658,308.33/374,561.31
  6. Step 6: Final answer
    x = 282,617.70

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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.