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Finding the Fourth Proportional to 374,561.25, 516,894.53 and 204,795.38

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Solution

The fourth proportional to 374,561.25, 516,894.53 and 204,795.38 is: 282,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,561.25 : 516,894.53 = 204,795.38 : x
  2. Step 2: Convert to fraction form
    374,561.25/516,894.53 = 204,795.38/x
  3. Step 3: Cross multiply
    374,561.25x = 516,894.53 × 204,795.38
  4. Step 4: Simplify right side
    374,561.25x = 105,857,608,082.82
  5. Step 5: Solve for x
    x = 105,857,608,082.82/374,561.25
  6. Step 6: Final answer
    x = 282,617.62

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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.