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Finding the Fourth Proportional to 297,407.72, 410,447.10 and 170,107.88

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Solution

The fourth proportional to 297,407.72, 410,447.10 and 170,107.88 is: 234,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,407.72 : 410,447.10 = 170,107.88 : x
  2. Step 2: Convert to fraction form
    297,407.72/410,447.10 = 170,107.88/x
  3. Step 3: Cross multiply
    297,407.72x = 410,447.10 × 170,107.88
  4. Step 4: Simplify right side
    297,407.72x = 69,820,286,033.15
  5. Step 5: Solve for x
    x = 69,820,286,033.15/297,407.72
  6. Step 6: Final answer
    x = 234,762.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.