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Finding the Fourth Proportional to 304,568.44, 420,307.77 and 168,604.66

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Solution

The fourth proportional to 304,568.44, 420,307.77 and 168,604.66 is: 232,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,568.44 : 420,307.77 = 168,604.66 : x
  2. Step 2: Convert to fraction form
    304,568.44/420,307.77 = 168,604.66/x
  3. Step 3: Cross multiply
    304,568.44x = 420,307.77 × 168,604.66
  4. Step 4: Simplify right side
    304,568.44x = 70,865,847,605.44
  5. Step 5: Solve for x
    x = 70,865,847,605.44/304,568.44
  6. Step 6: Final answer
    x = 232,676.27

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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.