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Finding the Fourth Proportional to 543,179.93, 749,553.35 and 301,462.65

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Solution

The fourth proportional to 543,179.93, 749,553.35 and 301,462.65 is: 415,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,179.93 : 749,553.35 = 301,462.65 : x
  2. Step 2: Convert to fraction form
    543,179.93/749,553.35 = 301,462.65/x
  3. Step 3: Cross multiply
    543,179.93x = 749,553.35 × 301,462.65
  4. Step 4: Simplify right side
    543,179.93x = 225,962,337,700.06
  5. Step 5: Solve for x
    x = 225,962,337,700.06/543,179.93
  6. Step 6: Final answer
    x = 415,999.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.