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Finding the Fourth Proportional to 593,074.44, 818,449.52 and 321,148.53

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Solution

The fourth proportional to 593,074.44, 818,449.52 and 321,148.53 is: 443,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,074.44 : 818,449.52 = 321,148.53 : x
  2. Step 2: Convert to fraction form
    593,074.44/818,449.52 = 321,148.53/x
  3. Step 3: Cross multiply
    593,074.44x = 818,449.52 × 321,148.53
  4. Step 4: Simplify right side
    593,074.44x = 262,843,858,621.46
  5. Step 5: Solve for x
    x = 262,843,858,621.46/593,074.44
  6. Step 6: Final answer
    x = 443,188.65

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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.