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Finding the Fourth Proportional to 593,270.33, 818,708.12 and 321,331.87

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Solution

The fourth proportional to 593,270.33, 818,708.12 and 321,331.87 is: 443,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,270.33 : 818,708.12 = 321,331.87 : x
  2. Step 2: Convert to fraction form
    593,270.33/818,708.12 = 321,331.87/x
  3. Step 3: Cross multiply
    593,270.33x = 818,708.12 × 321,331.87
  4. Step 4: Simplify right side
    593,270.33x = 263,077,007,090.24
  5. Step 5: Solve for x
    x = 263,077,007,090.24/593,270.33
  6. Step 6: Final answer
    x = 443,435.30

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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.