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Finding the Fourth Proportional to 263,504.61, 363,622.55 and 154,593.81

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Solution

The fourth proportional to 263,504.61, 363,622.55 and 154,593.81 is: 213,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,504.61 : 363,622.55 = 154,593.81 : x
  2. Step 2: Convert to fraction form
    263,504.61/363,622.55 = 154,593.81/x
  3. Step 3: Cross multiply
    263,504.61x = 363,622.55 × 154,593.81
  4. Step 4: Simplify right side
    263,504.61x = 56,213,794,633.45
  5. Step 5: Solve for x
    x = 56,213,794,633.45/263,504.61
  6. Step 6: Final answer
    x = 213,331.35

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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.