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Finding the Fourth Proportional to 552,881.49, 763,211.81 and 371,698.47

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Solution

The fourth proportional to 552,881.49, 763,211.81 and 371,698.47 is: 513,102.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,881.49 : 763,211.81 = 371,698.47 : x
  2. Step 2: Convert to fraction form
    552,881.49/763,211.81 = 371,698.47/x
  3. Step 3: Cross multiply
    552,881.49x = 763,211.81 × 371,698.47
  4. Step 4: Simplify right side
    552,881.49x = 283,684,662,062.93
  5. Step 5: Solve for x
    x = 283,684,662,062.93/552,881.49
  6. Step 6: Final answer
    x = 513,102.12

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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.