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Finding the Fourth Proportional to 622,817.20, 934,456.20 and 202,106.80

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Solution

The fourth proportional to 622,817.20, 934,456.20 and 202,106.80 is: 303,234.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,817.20 : 934,456.20 = 202,106.80 : x
  2. Step 2: Convert to fraction form
    622,817.20/934,456.20 = 202,106.80/x
  3. Step 3: Cross multiply
    622,817.20x = 934,456.20 × 202,106.80
  4. Step 4: Simplify right side
    622,817.20x = 188,859,952,322.16
  5. Step 5: Solve for x
    x = 188,859,952,322.16/622,817.20
  6. Step 6: Final answer
    x = 303,234.97

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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.