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Finding the Fourth Proportional to 270,008.40, 404,429.40 and 223,352.40

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Solution

The fourth proportional to 270,008.40, 404,429.40 and 223,352.40 is: 334,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,008.40 : 404,429.40 = 223,352.40 : x
  2. Step 2: Convert to fraction form
    270,008.40/404,429.40 = 223,352.40/x
  3. Step 3: Cross multiply
    270,008.40x = 404,429.40 × 223,352.40
  4. Step 4: Simplify right side
    270,008.40x = 90,330,277,120.56
  5. Step 5: Solve for x
    x = 90,330,277,120.56/270,008.40
  6. Step 6: Final answer
    x = 334,546.17

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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.