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Finding the Fourth Proportional to 481,484.70, 722,225.34 and 144,523.89

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Solution

The fourth proportional to 481,484.70, 722,225.34 and 144,523.89 is: 216,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,484.70 : 722,225.34 = 144,523.89 : x
  2. Step 2: Convert to fraction form
    481,484.70/722,225.34 = 144,523.89/x
  3. Step 3: Cross multiply
    481,484.70x = 722,225.34 × 144,523.89
  4. Step 4: Simplify right side
    481,484.70x = 104,378,815,593.37
  5. Step 5: Solve for x
    x = 104,378,815,593.37/481,484.70
  6. Step 6: Final answer
    x = 216,785.32

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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.