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Finding the Fourth Proportional to 593,328.93, 818,797.85 and 321,396.82

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Solution

The fourth proportional to 593,328.93, 818,797.85 and 321,396.82 is: 443,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,328.93 : 818,797.85 = 321,396.82 : x
  2. Step 2: Convert to fraction form
    593,328.93/818,797.85 = 321,396.82/x
  3. Step 3: Cross multiply
    593,328.93x = 818,797.85 × 321,396.82
  4. Step 4: Simplify right side
    593,328.93x = 263,159,022,764.10
  5. Step 5: Solve for x
    x = 263,159,022,764.10/593,328.93
  6. Step 6: Final answer
    x = 443,529.74

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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.