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Finding the Fourth Proportional to 622,819.20, 934,459.20 and 202,108.80

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Solution

The fourth proportional to 622,819.20, 934,459.20 and 202,108.80 is: 303,237.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,819.20 : 934,459.20 = 202,108.80 : x
  2. Step 2: Convert to fraction form
    622,819.20/934,459.20 = 202,108.80/x
  3. Step 3: Cross multiply
    622,819.20x = 934,459.20 × 202,108.80
  4. Step 4: Simplify right side
    622,819.20x = 188,862,427,560.96
  5. Step 5: Solve for x
    x = 188,862,427,560.96/622,819.20
  6. Step 6: Final answer
    x = 303,237.97

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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.