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Finding the Fourth Proportional to 465,475.20, 698,212.80 and 228,768.90

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Solution

The fourth proportional to 465,475.20, 698,212.80 and 228,768.90 is: 343,153.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,475.20 : 698,212.80 = 228,768.90 : x
  2. Step 2: Convert to fraction form
    465,475.20/698,212.80 = 228,768.90/x
  3. Step 3: Cross multiply
    465,475.20x = 698,212.80 × 228,768.90
  4. Step 4: Simplify right side
    465,475.20x = 159,729,374,221.92
  5. Step 5: Solve for x
    x = 159,729,374,221.92/465,475.20
  6. Step 6: Final answer
    x = 343,153.35

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Similar ratio
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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.