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Finding the Fourth Proportional to 370,249.60, 555,244.80 and 192,697.60

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Solution

The fourth proportional to 370,249.60, 555,244.80 and 192,697.60 is: 288,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,249.60 : 555,244.80 = 192,697.60 : x
  2. Step 2: Convert to fraction form
    370,249.60/555,244.80 = 192,697.60/x
  3. Step 3: Cross multiply
    370,249.60x = 555,244.80 × 192,697.60
  4. Step 4: Simplify right side
    370,249.60x = 106,994,340,372.48
  5. Step 5: Solve for x
    x = 106,994,340,372.48/370,249.60
  6. Step 6: Final answer
    x = 288,978.95

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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.