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Finding the Fourth Proportional to 544,458.52, 816,622.98 and 145,129.24

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Solution

The fourth proportional to 544,458.52, 816,622.98 and 145,129.24 is: 217,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,458.52 : 816,622.98 = 145,129.24 : x
  2. Step 2: Convert to fraction form
    544,458.52/816,622.98 = 145,129.24/x
  3. Step 3: Cross multiply
    544,458.52x = 816,622.98 × 145,129.24
  4. Step 4: Simplify right side
    544,458.52x = 118,515,872,453.94
  5. Step 5: Solve for x
    x = 118,515,872,453.94/544,458.52
  6. Step 6: Final answer
    x = 217,676.59

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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.