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Finding the Fourth Proportional to 408,034.10, 612,252.30 and 183,553.40

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Solution

The fourth proportional to 408,034.10, 612,252.30 and 183,553.40 is: 275,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,034.10 : 612,252.30 = 183,553.40 : x
  2. Step 2: Convert to fraction form
    408,034.10/612,252.30 = 183,553.40/x
  3. Step 3: Cross multiply
    408,034.10x = 612,252.30 × 183,553.40
  4. Step 4: Simplify right side
    408,034.10x = 112,380,991,322.82
  5. Step 5: Solve for x
    x = 112,380,991,322.82/408,034.10
  6. Step 6: Final answer
    x = 275,420.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.