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Finding the Fourth Proportional to 544,379.76, 816,504.48 and 145,049.76

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Solution

The fourth proportional to 544,379.76, 816,504.48 and 145,049.76 is: 217,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,379.76 : 816,504.48 = 145,049.76 : x
  2. Step 2: Convert to fraction form
    544,379.76/816,504.48 = 145,049.76/x
  3. Step 3: Cross multiply
    544,379.76x = 816,504.48 × 145,049.76
  4. Step 4: Simplify right side
    544,379.76x = 118,433,778,862.93
  5. Step 5: Solve for x
    x = 118,433,778,862.93/544,379.76
  6. Step 6: Final answer
    x = 217,557.28

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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.