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Finding the Fourth Proportional to 589,793.77, 813,820.45 and 331,655.32

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Solution

The fourth proportional to 589,793.77, 813,820.45 and 331,655.32 is: 457,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,793.77 : 813,820.45 = 331,655.32 : x
  2. Step 2: Convert to fraction form
    589,793.77/813,820.45 = 331,655.32/x
  3. Step 3: Cross multiply
    589,793.77x = 813,820.45 × 331,655.32
  4. Step 4: Simplify right side
    589,793.77x = 269,907,882,322.55
  5. Step 5: Solve for x
    x = 269,907,882,322.55/589,793.77
  6. Step 6: Final answer
    x = 457,630.95

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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.