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Finding the Fourth Proportional to 270,185.40, 404,694.90 and 223,529.40

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Solution

The fourth proportional to 270,185.40, 404,694.90 and 223,529.40 is: 334,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,185.40 : 404,694.90 = 223,529.40 : x
  2. Step 2: Convert to fraction form
    270,185.40/404,694.90 = 223,529.40/x
  3. Step 3: Cross multiply
    270,185.40x = 404,694.90 × 223,529.40
  4. Step 4: Simplify right side
    270,185.40x = 90,461,208,180.06
  5. Step 5: Solve for x
    x = 90,461,208,180.06/270,185.40
  6. Step 6: Final answer
    x = 334,811.61

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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.