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Finding the Fourth Proportional to 593,399.93, 818,888.52 and 321,473.12

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Solution

The fourth proportional to 593,399.93, 818,888.52 and 321,473.12 is: 443,631.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,399.93 : 818,888.52 = 321,473.12 : x
  2. Step 2: Convert to fraction form
    593,399.93/818,888.52 = 321,473.12/x
  3. Step 3: Cross multiply
    593,399.93x = 818,888.52 × 321,473.12
  4. Step 4: Simplify right side
    593,399.93x = 263,250,647,456.58
  5. Step 5: Solve for x
    x = 263,250,647,456.58/593,399.93
  6. Step 6: Final answer
    x = 443,631.07

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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.