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Finding the Fourth Proportional to 503,329.15, 755,111.97 and 166,369.82

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Solution

The fourth proportional to 503,329.15, 755,111.97 and 166,369.82 is: 249,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,329.15 : 755,111.97 = 166,369.82 : x
  2. Step 2: Convert to fraction form
    503,329.15/755,111.97 = 166,369.82/x
  3. Step 3: Cross multiply
    503,329.15x = 755,111.97 × 166,369.82
  4. Step 4: Simplify right side
    503,329.15x = 125,627,837,921.34
  5. Step 5: Solve for x
    x = 125,627,837,921.34/503,329.15
  6. Step 6: Final answer
    x = 249,593.81

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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.