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Finding the Fourth Proportional to 374,351.17, 516,603.48 and 204,585.31

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Solution

The fourth proportional to 374,351.17, 516,603.48 and 204,585.31 is: 282,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,351.17 : 516,603.48 = 204,585.31 : x
  2. Step 2: Convert to fraction form
    374,351.17/516,603.48 = 204,585.31/x
  3. Step 3: Cross multiply
    374,351.17x = 516,603.48 × 204,585.31
  4. Step 4: Simplify right side
    374,351.17x = 105,689,483,102.88
  5. Step 5: Solve for x
    x = 105,689,483,102.88/374,351.17
  6. Step 6: Final answer
    x = 282,327.11

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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.