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Finding the Fourth Proportional to 602,168.43, 831,029.22 and 347,536.02

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Solution

The fourth proportional to 602,168.43, 831,029.22 and 347,536.02 is: 479,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,168.43 : 831,029.22 = 347,536.02 : x
  2. Step 2: Convert to fraction form
    602,168.43/831,029.22 = 347,536.02/x
  3. Step 3: Cross multiply
    602,168.43x = 831,029.22 × 347,536.02
  4. Step 4: Simplify right side
    602,168.43x = 288,812,587,622.50
  5. Step 5: Solve for x
    x = 288,812,587,622.50/602,168.43
  6. Step 6: Final answer
    x = 479,620.94

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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.