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Finding the Fourth Proportional to 226,812.40, 340,218.60 and 223,313.20

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Solution

The fourth proportional to 226,812.40, 340,218.60 and 223,313.20 is: 334,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,812.40 : 340,218.60 = 223,313.20 : x
  2. Step 2: Convert to fraction form
    226,812.40/340,218.60 = 223,313.20/x
  3. Step 3: Cross multiply
    226,812.40x = 340,218.60 × 223,313.20
  4. Step 4: Simplify right side
    226,812.40x = 75,975,304,265.52
  5. Step 5: Solve for x
    x = 75,975,304,265.52/226,812.40
  6. Step 6: Final answer
    x = 334,969.80

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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.