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Finding the Fourth Proportional to 469,422.98, 647,804.04 and 254,562.98

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Solution

The fourth proportional to 469,422.98, 647,804.04 and 254,562.98 is: 351,297.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,422.98 : 647,804.04 = 254,562.98 : x
  2. Step 2: Convert to fraction form
    469,422.98/647,804.04 = 254,562.98/x
  3. Step 3: Cross multiply
    469,422.98x = 647,804.04 × 254,562.98
  4. Step 4: Simplify right side
    469,422.98x = 164,906,926,878.44
  5. Step 5: Solve for x
    x = 164,906,926,878.44/469,422.98
  6. Step 6: Final answer
    x = 351,297.09

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1.5x scale

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.