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Finding the Fourth Proportional to 492,068.20, 737,883.60 and 192,449.20

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Solution

The fourth proportional to 492,068.20, 737,883.60 and 192,449.20 is: 288,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,068.20 : 737,883.60 = 192,449.20 : x
  2. Step 2: Convert to fraction form
    492,068.20/737,883.60 = 192,449.20/x
  3. Step 3: Cross multiply
    492,068.20x = 737,883.60 × 192,449.20
  4. Step 4: Simplify right side
    492,068.20x = 142,005,108,513.12
  5. Step 5: Solve for x
    x = 142,005,108,513.12/492,068.20
  6. Step 6: Final answer
    x = 288,588.27

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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.