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Finding the Fourth Proportional to 552,880.49, 763,210.43 and 371,697.47

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Solution

The fourth proportional to 552,880.49, 763,210.43 and 371,697.47 is: 513,100.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,880.49 : 763,210.43 = 371,697.47 : x
  2. Step 2: Convert to fraction form
    552,880.49/763,210.43 = 371,697.47/x
  3. Step 3: Cross multiply
    552,880.49x = 763,210.43 × 371,697.47
  4. Step 4: Simplify right side
    552,880.49x = 283,683,383,021.80
  5. Step 5: Solve for x
    x = 283,683,383,021.80/552,880.49
  6. Step 6: Final answer
    x = 513,100.73

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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.