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Finding the Fourth Proportional to 482,045.64, 722,922.89 and 144,996.81

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Solution

The fourth proportional to 482,045.64, 722,922.89 and 144,996.81 is: 217,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,045.64 : 722,922.89 = 144,996.81 : x
  2. Step 2: Convert to fraction form
    482,045.64/722,922.89 = 144,996.81/x
  3. Step 3: Cross multiply
    482,045.64x = 722,922.89 × 144,996.81
  4. Step 4: Simplify right side
    482,045.64x = 104,821,512,201.00
  5. Step 5: Solve for x
    x = 104,821,512,201.00/482,045.64
  6. Step 6: Final answer
    x = 217,451.43

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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.