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Finding the Fourth Proportional to 340,552.60, 470,007.69 and 220,044.34

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Solution

The fourth proportional to 340,552.60, 470,007.69 and 220,044.34 is: 303,690.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,552.60 : 470,007.69 = 220,044.34 : x
  2. Step 2: Convert to fraction form
    340,552.60/470,007.69 = 220,044.34/x
  3. Step 3: Cross multiply
    340,552.60x = 470,007.69 × 220,044.34
  4. Step 4: Simplify right side
    340,552.60x = 103,422,530,765.96
  5. Step 5: Solve for x
    x = 103,422,530,765.96/340,552.60
  6. Step 6: Final answer
    x = 303,690.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.