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Finding the Fourth Proportional to 298,719.20, 447,341.04 and 222,635.30

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Solution

The fourth proportional to 298,719.20, 447,341.04 and 222,635.30 is: 333,403.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,719.20 : 447,341.04 = 222,635.30 : x
  2. Step 2: Convert to fraction form
    298,719.20/447,341.04 = 222,635.30/x
  3. Step 3: Cross multiply
    298,719.20x = 447,341.04 × 222,635.30
  4. Step 4: Simplify right side
    298,719.20x = 99,593,906,642.71
  5. Step 5: Solve for x
    x = 99,593,906,642.71/298,719.20
  6. Step 6: Final answer
    x = 333,403.10

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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.