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Finding the Fourth Proportional to 4,788,906.60, 7,183,359.90 and 3,003,148.20

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Solution

The fourth proportional to 4,788,906.60, 7,183,359.90 and 3,003,148.20 is: 4,504,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788,906.60 : 7,183,359.90 = 3,003,148.20 : x
  2. Step 2: Convert to fraction form
    4,788,906.60/7,183,359.90 = 3,003,148.20/x
  3. Step 3: Cross multiply
    4,788,906.60x = 7,183,359.90 × 3,003,148.20
  4. Step 4: Simplify right side
    4,788,906.60x = 21,572,694,353,637.18
  5. Step 5: Solve for x
    x = 21,572,694,353,637.18/4,788,906.60
  6. Step 6: Final answer
    x = 4,504,722.30

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Double scale
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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.