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Finding the Fourth Proportional to 624,092.88, 936,279.72 and 197,654.61

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Solution

The fourth proportional to 624,092.88, 936,279.72 and 197,654.61 is: 296,526.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,092.88 : 936,279.72 = 197,654.61 : x
  2. Step 2: Convert to fraction form
    624,092.88/936,279.72 = 197,654.61/x
  3. Step 3: Cross multiply
    624,092.88x = 936,279.72 × 197,654.61
  4. Step 4: Simplify right side
    624,092.88x = 185,060,002,907.51
  5. Step 5: Solve for x
    x = 185,060,002,907.51/624,092.88
  6. Step 6: Final answer
    x = 296,526.38

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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.