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Finding the Fourth Proportional to 633,185.70, 873,797.67 and 342,800.32

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Solution

The fourth proportional to 633,185.70, 873,797.67 and 342,800.32 is: 473,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,185.70 : 873,797.67 = 342,800.32 : x
  2. Step 2: Convert to fraction form
    633,185.70/873,797.67 = 342,800.32/x
  3. Step 3: Cross multiply
    633,185.70x = 873,797.67 × 342,800.32
  4. Step 4: Simplify right side
    633,185.70x = 299,538,120,891.25
  5. Step 5: Solve for x
    x = 299,538,120,891.25/633,185.70
  6. Step 6: Final answer
    x = 473,065.20

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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.