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Finding the Fourth Proportional to 499,455.60, 749,027.22 and 166,953.84

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Solution

The fourth proportional to 499,455.60, 749,027.22 and 166,953.84 is: 250,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,455.60 : 749,027.22 = 166,953.84 : x
  2. Step 2: Convert to fraction form
    499,455.60/749,027.22 = 166,953.84/x
  3. Step 3: Cross multiply
    499,455.60x = 749,027.22 × 166,953.84
  4. Step 4: Simplify right side
    499,455.60x = 125,052,970,643.53
  5. Step 5: Solve for x
    x = 125,052,970,643.53/499,455.60
  6. Step 6: Final answer
    x = 250,378.55

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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.