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Finding the Fourth Proportional to 491,333.92, 737,009.97 and 154,368.25

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Solution

The fourth proportional to 491,333.92, 737,009.97 and 154,368.25 is: 231,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,333.92 : 737,009.97 = 154,368.25 : x
  2. Step 2: Convert to fraction form
    491,333.92/737,009.97 = 154,368.25/x
  3. Step 3: Cross multiply
    491,333.92x = 737,009.97 × 154,368.25
  4. Step 4: Simplify right side
    491,333.92x = 113,770,939,301.45
  5. Step 5: Solve for x
    x = 113,770,939,301.45/491,333.92
  6. Step 6: Final answer
    x = 231,555.23

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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.