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Finding the Fourth Proportional to 298,260.37, 411,593.20 and 162,297.01

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Solution

The fourth proportional to 298,260.37, 411,593.20 and 162,297.01 is: 223,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,260.37 : 411,593.20 = 162,297.01 : x
  2. Step 2: Convert to fraction form
    298,260.37/411,593.20 = 162,297.01/x
  3. Step 3: Cross multiply
    298,260.37x = 411,593.20 × 162,297.01
  4. Step 4: Simplify right side
    298,260.37x = 66,800,345,696.33
  5. Step 5: Solve for x
    x = 66,800,345,696.33/298,260.37
  6. Step 6: Final answer
    x = 223,966.55

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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.