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Finding the Fourth Proportional to 399,166.04, 550,835.42 and 237,937.98

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Solution

The fourth proportional to 399,166.04, 550,835.42 and 237,937.98 is: 328,346.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,166.04 : 550,835.42 = 237,937.98 : x
  2. Step 2: Convert to fraction form
    399,166.04/550,835.42 = 237,937.98/x
  3. Step 3: Cross multiply
    399,166.04x = 550,835.42 × 237,937.98
  4. Step 4: Simplify right side
    399,166.04x = 131,064,667,147.25
  5. Step 5: Solve for x
    x = 131,064,667,147.25/399,166.04
  6. Step 6: Final answer
    x = 328,346.24

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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.