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Finding the Fourth Proportional to 667,592.01, 921,277.94 and 395,793

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Solution

The fourth proportional to 667,592.01, 921,277.94 and 395,793 is: 546,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,592.01 : 921,277.94 = 395,793 : x
  2. Step 2: Convert to fraction form
    667,592.01/921,277.94 = 395,793/x
  3. Step 3: Cross multiply
    667,592.01x = 921,277.94 × 395,793
  4. Step 4: Simplify right side
    667,592.01x = 364,635,357,727.46
  5. Step 5: Solve for x
    x = 364,635,357,727.46/667,592.01
  6. Step 6: Final answer
    x = 546,194.91

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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.