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Finding the Fourth Proportional to 593,132.63, 818,521.81 and 321,200.44

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Solution

The fourth proportional to 593,132.63, 818,521.81 and 321,200.44 is: 443,255.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,132.63 : 818,521.81 = 321,200.44 : x
  2. Step 2: Convert to fraction form
    593,132.63/818,521.81 = 321,200.44/x
  3. Step 3: Cross multiply
    593,132.63x = 818,521.81 × 321,200.44
  4. Step 4: Simplify right side
    593,132.63x = 262,909,562,672.29
  5. Step 5: Solve for x
    x = 262,909,562,672.29/593,132.63
  6. Step 6: Final answer
    x = 443,255.95

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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.