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Finding the Fourth Proportional to 374,063.97, 516,207.47 and 204,298.10

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Solution

The fourth proportional to 374,063.97, 516,207.47 and 204,298.10 is: 281,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,063.97 : 516,207.47 = 204,298.10 : x
  2. Step 2: Convert to fraction form
    374,063.97/516,207.47 = 204,298.10/x
  3. Step 3: Cross multiply
    374,063.97x = 516,207.47 × 204,298.10
  4. Step 4: Simplify right side
    374,063.97x = 105,460,203,660.06
  5. Step 5: Solve for x
    x = 105,460,203,660.06/374,063.97
  6. Step 6: Final answer
    x = 281,930.93

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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.