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Finding the Fourth Proportional to 593,174.60, 818,570.84 and 321,240.29

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Solution

The fourth proportional to 593,174.60, 818,570.84 and 321,240.29 is: 443,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,174.60 : 818,570.84 = 321,240.29 : x
  2. Step 2: Convert to fraction form
    593,174.60/818,570.84 = 321,240.29/x
  3. Step 3: Cross multiply
    593,174.60x = 818,570.84 × 321,240.29
  4. Step 4: Simplify right side
    593,174.60x = 262,957,932,420.94
  5. Step 5: Solve for x
    x = 262,957,932,420.94/593,174.60
  6. Step 6: Final answer
    x = 443,306.12

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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.