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Finding the Fourth Proportional to 573,025.77, 790,796.90 and 343,620.40

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Solution

The fourth proportional to 573,025.77, 790,796.90 and 343,620.40 is: 474,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,025.77 : 790,796.90 = 343,620.40 : x
  2. Step 2: Convert to fraction form
    573,025.77/790,796.90 = 343,620.40/x
  3. Step 3: Cross multiply
    573,025.77x = 790,796.90 × 343,620.40
  4. Step 4: Simplify right side
    573,025.77x = 271,733,947,655.73
  5. Step 5: Solve for x
    x = 271,733,947,655.73/573,025.77
  6. Step 6: Final answer
    x = 474,208.95

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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.