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Finding the Fourth Proportional to 366,938.03, 550,407.05 and 247,363.80

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Solution

The fourth proportional to 366,938.03, 550,407.05 and 247,363.80 is: 371,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,938.03 : 550,407.05 = 247,363.80 : x
  2. Step 2: Convert to fraction form
    366,938.03/550,407.05 = 247,363.80/x
  3. Step 3: Cross multiply
    366,938.03x = 550,407.05 × 247,363.80
  4. Step 4: Simplify right side
    366,938.03x = 136,150,778,197.97
  5. Step 5: Solve for x
    x = 136,150,778,197.97/366,938.03
  6. Step 6: Final answer
    x = 371,045.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.