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Finding the Fourth Proportional to 362,292.10, 543,438.15 and 228,739.30

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Solution

The fourth proportional to 362,292.10, 543,438.15 and 228,739.30 is: 343,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,292.10 : 543,438.15 = 228,739.30 : x
  2. Step 2: Convert to fraction form
    362,292.10/543,438.15 = 228,739.30/x
  3. Step 3: Cross multiply
    362,292.10x = 543,438.15 × 228,739.30
  4. Step 4: Simplify right side
    362,292.10x = 124,305,662,024.30
  5. Step 5: Solve for x
    x = 124,305,662,024.30/362,292.10
  6. Step 6: Final answer
    x = 343,108.95

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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.