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Finding the Fourth Proportional to 593,380.52, 818,867.60 and 321,448.96

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Solution

The fourth proportional to 593,380.52, 818,867.60 and 321,448.96 is: 443,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,380.52 : 818,867.60 = 321,448.96 : x
  2. Step 2: Convert to fraction form
    593,380.52/818,867.60 = 321,448.96/x
  3. Step 3: Cross multiply
    593,380.52x = 818,867.60 × 321,448.96
  4. Step 4: Simplify right side
    593,380.52x = 263,224,138,397.70
  5. Step 5: Solve for x
    x = 263,224,138,397.70/593,380.52
  6. Step 6: Final answer
    x = 443,600.91

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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.