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Finding the Fourth Proportional to 297,360.68, 410,346.76 and 161,391.71

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Solution

The fourth proportional to 297,360.68, 410,346.76 and 161,391.71 is: 222,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,360.68 : 410,346.76 = 161,391.71 : x
  2. Step 2: Convert to fraction form
    297,360.68/410,346.76 = 161,391.71/x
  3. Step 3: Cross multiply
    297,360.68x = 410,346.76 × 161,391.71
  4. Step 4: Simplify right side
    297,360.68x = 66,226,563,021.12
  5. Step 5: Solve for x
    x = 66,226,563,021.12/297,360.68
  6. Step 6: Final answer
    x = 222,714.60

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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.