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Finding the Fourth Proportional to 542,960.90, 814,441.35 and 374,999.30

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Solution

The fourth proportional to 542,960.90, 814,441.35 and 374,999.30 is: 562,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,960.90 : 814,441.35 = 374,999.30 : x
  2. Step 2: Convert to fraction form
    542,960.90/814,441.35 = 374,999.30/x
  3. Step 3: Cross multiply
    542,960.90x = 814,441.35 × 374,999.30
  4. Step 4: Simplify right side
    542,960.90x = 305,414,936,141.06
  5. Step 5: Solve for x
    x = 305,414,936,141.06/542,960.90
  6. Step 6: Final answer
    x = 562,498.95

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Similar ratio
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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.