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Finding the Fourth Proportional to 297,616.59, 410,714.46 and 161,652.15

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Solution

The fourth proportional to 297,616.59, 410,714.46 and 161,652.15 is: 223,081.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,616.59 : 410,714.46 = 161,652.15 : x
  2. Step 2: Convert to fraction form
    297,616.59/410,714.46 = 161,652.15/x
  3. Step 3: Cross multiply
    297,616.59x = 410,714.46 × 161,652.15
  4. Step 4: Simplify right side
    297,616.59x = 66,392,875,495.09
  5. Step 5: Solve for x
    x = 66,392,875,495.09/297,616.59
  6. Step 6: Final answer
    x = 223,081.90

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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.