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Finding the Fourth Proportional to 655,171.84, 980,932.92 and 334,629.64

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Solution

The fourth proportional to 655,171.84, 980,932.92 and 334,629.64 is: 501,012.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,171.84 : 980,932.92 = 334,629.64 : x
  2. Step 2: Convert to fraction form
    655,171.84/980,932.92 = 334,629.64/x
  3. Step 3: Cross multiply
    655,171.84x = 980,932.92 × 334,629.64
  4. Step 4: Simplify right side
    655,171.84x = 328,249,229,883.75
  5. Step 5: Solve for x
    x = 328,249,229,883.75/655,171.84
  6. Step 6: Final answer
    x = 501,012.42

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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.