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Finding the Fourth Proportional to 593,402.42, 818,891.98 and 321,475.64

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Solution

The fourth proportional to 593,402.42, 818,891.98 and 321,475.64 is: 443,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,402.42 : 818,891.98 = 321,475.64 : x
  2. Step 2: Convert to fraction form
    593,402.42/818,891.98 = 321,475.64/x
  3. Step 3: Cross multiply
    593,402.42x = 818,891.98 × 321,475.64
  4. Step 4: Simplify right side
    593,402.42x = 263,253,818,463.22
  5. Step 5: Solve for x
    x = 263,253,818,463.22/593,402.42
  6. Step 6: Final answer
    x = 443,634.55

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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.