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Finding the Fourth Proportional to 552,866.73, 763,191.48 and 371,683.74

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Solution

The fourth proportional to 552,866.73, 763,191.48 and 371,683.74 is: 513,081.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,866.73 : 763,191.48 = 371,683.74 : x
  2. Step 2: Convert to fraction form
    552,866.73/763,191.48 = 371,683.74/x
  3. Step 3: Cross multiply
    552,866.73x = 763,191.48 × 371,683.74
  4. Step 4: Simplify right side
    552,866.73x = 283,665,863,622.54
  5. Step 5: Solve for x
    x = 283,665,863,622.54/552,866.73
  6. Step 6: Final answer
    x = 513,081.81

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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.