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Finding the Fourth Proportional to 547,673.15, 821,603.13 and 244,177.43

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Solution

The fourth proportional to 547,673.15, 821,603.13 and 244,177.43 is: 366,307.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,673.15 : 821,603.13 = 244,177.43 : x
  2. Step 2: Convert to fraction form
    547,673.15/821,603.13 = 244,177.43/x
  3. Step 3: Cross multiply
    547,673.15x = 821,603.13 × 244,177.43
  4. Step 4: Simplify right side
    547,673.15x = 200,616,936,655.34
  5. Step 5: Solve for x
    x = 200,616,936,655.34/547,673.15
  6. Step 6: Final answer
    x = 366,307.79

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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.