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Finding the Fourth Proportional to 504,453.60, 756,723.81 and 144,625.86

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Solution

The fourth proportional to 504,453.60, 756,723.81 and 144,625.86 is: 216,951.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,453.60 : 756,723.81 = 144,625.86 : x
  2. Step 2: Convert to fraction form
    504,453.60/756,723.81 = 144,625.86/x
  3. Step 3: Cross multiply
    504,453.60x = 756,723.81 × 144,625.86
  4. Step 4: Simplify right side
    504,453.60x = 109,441,831,803.73
  5. Step 5: Solve for x
    x = 109,441,831,803.73/504,453.60
  6. Step 6: Final answer
    x = 216,951.24

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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.