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Finding the Fourth Proportional to 593,822.16, 819,471.60 and 321,888.96

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Solution

The fourth proportional to 593,822.16, 819,471.60 and 321,888.96 is: 444,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,822.16 : 819,471.60 = 321,888.96 : x
  2. Step 2: Convert to fraction form
    593,822.16/819,471.60 = 321,888.96/x
  3. Step 3: Cross multiply
    593,822.16x = 819,471.60 × 321,888.96
  4. Step 4: Simplify right side
    593,822.16x = 263,778,861,073.54
  5. Step 5: Solve for x
    x = 263,778,861,073.54/593,822.16
  6. Step 6: Final answer
    x = 444,205.15

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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.