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Finding the Fourth Proportional to 712,882.02, 983,777.04 and 426,469.44

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Solution

The fourth proportional to 712,882.02, 983,777.04 and 426,469.44 is: 588,527.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,882.02 : 983,777.04 = 426,469.44 : x
  2. Step 2: Convert to fraction form
    712,882.02/983,777.04 = 426,469.44/x
  3. Step 3: Cross multiply
    712,882.02x = 983,777.04 × 426,469.44
  4. Step 4: Simplify right side
    712,882.02x = 419,550,843,333.66
  5. Step 5: Solve for x
    x = 419,550,843,333.66/712,882.02
  6. Step 6: Final answer
    x = 588,527.74

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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.