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Finding the Fourth Proportional to 4,980,906.20, 7,471,359.30 and 4,980,906.20

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Solution

The fourth proportional to 4,980,906.20, 7,471,359.30 and 4,980,906.20 is: 7,471,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980,906.20 : 7,471,359.30 = 4,980,906.20 : x
  2. Step 2: Convert to fraction form
    4,980,906.20/7,471,359.30 = 4,980,906.20/x
  3. Step 3: Cross multiply
    4,980,906.20x = 7,471,359.30 × 4,980,906.20
  4. Step 4: Simplify right side
    4,980,906.20x = 37,214,139,859,797.66
  5. Step 5: Solve for x
    x = 37,214,139,859,797.66/4,980,906.20
  6. Step 6: Final answer
    x = 7,471,359.30

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Double scale
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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.