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Finding the Fourth Proportional to 269,414.40, 403,596.72 and 163,971.84

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Solution

The fourth proportional to 269,414.40, 403,596.72 and 163,971.84 is: 245,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,414.40 : 403,596.72 = 163,971.84 : x
  2. Step 2: Convert to fraction form
    269,414.40/403,596.72 = 163,971.84/x
  3. Step 3: Cross multiply
    269,414.40x = 403,596.72 × 163,971.84
  4. Step 4: Simplify right side
    269,414.40x = 66,178,496,796.36
  5. Step 5: Solve for x
    x = 66,178,496,796.36/269,414.40
  6. Step 6: Final answer
    x = 245,638.31

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1.5x scale

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.