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Finding the Fourth Proportional to 325,638.60, 449,368.25 and 182,391.32

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Solution

The fourth proportional to 325,638.60, 449,368.25 and 182,391.32 is: 251,692.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,638.60 : 449,368.25 = 182,391.32 : x
  2. Step 2: Convert to fraction form
    325,638.60/449,368.25 = 182,391.32/x
  3. Step 3: Cross multiply
    325,638.60x = 449,368.25 × 182,391.32
  4. Step 4: Simplify right side
    325,638.60x = 81,960,865,124.79
  5. Step 5: Solve for x
    x = 81,960,865,124.79/325,638.60
  6. Step 6: Final answer
    x = 251,692.72

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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.