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Finding the Fourth Proportional to 341,708.20, 512,562.30 and 223,743.40

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Solution

The fourth proportional to 341,708.20, 512,562.30 and 223,743.40 is: 335,615.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,708.20 : 512,562.30 = 223,743.40 : x
  2. Step 2: Convert to fraction form
    341,708.20/512,562.30 = 223,743.40/x
  3. Step 3: Cross multiply
    341,708.20x = 512,562.30 × 223,743.40
  4. Step 4: Simplify right side
    341,708.20x = 114,682,431,713.82
  5. Step 5: Solve for x
    x = 114,682,431,713.82/341,708.20
  6. Step 6: Final answer
    x = 335,615.10

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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.