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Finding the Fourth Proportional to 481,690.01, 722,572.38 and 144,704.30

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Solution

The fourth proportional to 481,690.01, 722,572.38 and 144,704.30 is: 217,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,690.01 : 722,572.38 = 144,704.30 : x
  2. Step 2: Convert to fraction form
    481,690.01/722,572.38 = 144,704.30/x
  3. Step 3: Cross multiply
    481,690.01x = 722,572.38 × 144,704.30
  4. Step 4: Simplify right side
    481,690.01x = 104,559,326,834.37
  5. Step 5: Solve for x
    x = 104,559,326,834.37/481,690.01
  6. Step 6: Final answer
    x = 217,067.67

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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.