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Finding the Fourth Proportional to 323,363.80, 485,045.70 and 248,627.80

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Solution

The fourth proportional to 323,363.80, 485,045.70 and 248,627.80 is: 372,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,363.80 : 485,045.70 = 248,627.80 : x
  2. Step 2: Convert to fraction form
    323,363.80/485,045.70 = 248,627.80/x
  3. Step 3: Cross multiply
    323,363.80x = 485,045.70 × 248,627.80
  4. Step 4: Simplify right side
    323,363.80x = 120,595,845,290.46
  5. Step 5: Solve for x
    x = 120,595,845,290.46/323,363.80
  6. Step 6: Final answer
    x = 372,941.70

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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.