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Finding the Fourth Proportional to 592,969.76, 818,304.84 and 321,043.56

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Solution

The fourth proportional to 592,969.76, 818,304.84 and 321,043.56 is: 443,043.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,969.76 : 818,304.84 = 321,043.56 : x
  2. Step 2: Convert to fraction form
    592,969.76/818,304.84 = 321,043.56/x
  3. Step 3: Cross multiply
    592,969.76x = 818,304.84 × 321,043.56
  4. Step 4: Simplify right side
    592,969.76x = 262,711,498,998.83
  5. Step 5: Solve for x
    x = 262,711,498,998.83/592,969.76
  6. Step 6: Final answer
    x = 443,043.67

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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.