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Finding the Fourth Proportional to 335,815.11, 503,722.11 and 230,314.23

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Solution

The fourth proportional to 335,815.11, 503,722.11 and 230,314.23 is: 345,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,815.11 : 503,722.11 = 230,314.23 : x
  2. Step 2: Convert to fraction form
    335,815.11/503,722.11 = 230,314.23/x
  3. Step 3: Cross multiply
    335,815.11x = 503,722.11 × 230,314.23
  4. Step 4: Simplify right side
    335,815.11x = 116,014,369,898.63
  5. Step 5: Solve for x
    x = 116,014,369,898.63/335,815.11
  6. Step 6: Final answer
    x = 345,470.96

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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.