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Finding the Fourth Proportional to 593,365.45, 818,846.82 and 321,433.34

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Solution

The fourth proportional to 593,365.45, 818,846.82 and 321,433.34 is: 443,579.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,365.45 : 818,846.82 = 321,433.34 : x
  2. Step 2: Convert to fraction form
    593,365.45/818,846.82 = 321,433.34/x
  3. Step 3: Cross multiply
    593,365.45x = 818,846.82 × 321,433.34
  4. Step 4: Simplify right side
    593,365.45x = 263,204,668,300.98
  5. Step 5: Solve for x
    x = 263,204,668,300.98/593,365.45
  6. Step 6: Final answer
    x = 443,579.37

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1.5x scale

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.