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Finding the Fourth Proportional to 593,207.82, 818,620.20 and 321,268.86

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Solution

The fourth proportional to 593,207.82, 818,620.20 and 321,268.86 is: 443,347.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,207.82 : 818,620.20 = 321,268.86 : x
  2. Step 2: Convert to fraction form
    593,207.82/818,620.20 = 321,268.86/x
  3. Step 3: Cross multiply
    593,207.82x = 818,620.20 × 321,268.86
  4. Step 4: Simplify right side
    593,207.82x = 262,997,178,426.97
  5. Step 5: Solve for x
    x = 262,997,178,426.97/593,207.82
  6. Step 6: Final answer
    x = 443,347.46

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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.