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Finding the Fourth Proportional to 374,230.08, 516,418.72 and 204,432.96

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Solution

The fourth proportional to 374,230.08, 516,418.72 and 204,432.96 is: 282,107.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,230.08 : 516,418.72 = 204,432.96 : x
  2. Step 2: Convert to fraction form
    374,230.08/516,418.72 = 204,432.96/x
  3. Step 3: Cross multiply
    374,230.08x = 516,418.72 × 204,432.96
  4. Step 4: Simplify right side
    374,230.08x = 105,573,007,529.01
  5. Step 5: Solve for x
    x = 105,573,007,529.01/374,230.08
  6. Step 6: Final answer
    x = 282,107.22

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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.