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Finding the Fourth Proportional to 368,414.20, 552,621.30 and 368,414.20

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Solution

The fourth proportional to 368,414.20, 552,621.30 and 368,414.20 is: 552,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,414.20 : 552,621.30 = 368,414.20 : x
  2. Step 2: Convert to fraction form
    368,414.20/552,621.30 = 368,414.20/x
  3. Step 3: Cross multiply
    368,414.20x = 552,621.30 × 368,414.20
  4. Step 4: Simplify right side
    368,414.20x = 203,593,534,142.46
  5. Step 5: Solve for x
    x = 203,593,534,142.46/368,414.20
  6. Step 6: Final answer
    x = 552,621.30

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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.