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Finding the Fourth Proportional to 306,332.96, 422,714.96 and 170,367.16

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Solution

The fourth proportional to 306,332.96, 422,714.96 and 170,367.16 is: 235,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,332.96 : 422,714.96 = 170,367.16 : x
  2. Step 2: Convert to fraction form
    306,332.96/422,714.96 = 170,367.16/x
  3. Step 3: Cross multiply
    306,332.96x = 422,714.96 × 170,367.16
  4. Step 4: Simplify right side
    306,332.96x = 72,016,747,224.71
  5. Step 5: Solve for x
    x = 72,016,747,224.71/306,332.96
  6. Step 6: Final answer
    x = 235,093.04

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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.