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Finding the Fourth Proportional to 323,908.85, 485,207.18 and 183,503.45

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Solution

The fourth proportional to 323,908.85, 485,207.18 and 183,503.45 is: 274,883.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,908.85 : 485,207.18 = 183,503.45 : x
  2. Step 2: Convert to fraction form
    323,908.85/485,207.18 = 183,503.45/x
  3. Step 3: Cross multiply
    323,908.85x = 485,207.18 × 183,503.45
  4. Step 4: Simplify right side
    323,908.85x = 89,037,190,577.25
  5. Step 5: Solve for x
    x = 89,037,190,577.25/323,908.85
  6. Step 6: Final answer
    x = 274,883.48

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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.