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Finding the Fourth Proportional to 593,086.96, 818,458.73 and 321,155.58

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Solution

The fourth proportional to 593,086.96, 818,458.73 and 321,155.58 is: 443,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,086.96 : 818,458.73 = 321,155.58 : x
  2. Step 2: Convert to fraction form
    593,086.96/818,458.73 = 321,155.58/x
  3. Step 3: Cross multiply
    593,086.96x = 818,458.73 × 321,155.58
  4. Step 4: Simplify right side
    593,086.96x = 262,852,590,806.99
  5. Step 5: Solve for x
    x = 262,852,590,806.99/593,086.96
  6. Step 6: Final answer
    x = 443,194.01

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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.