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Finding the Fourth Proportional to 297,528.81, 410,588.46 and 161,561.65

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Solution

The fourth proportional to 297,528.81, 410,588.46 and 161,561.65 is: 222,954.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,528.81 : 410,588.46 = 161,561.65 : x
  2. Step 2: Convert to fraction form
    297,528.81/410,588.46 = 161,561.65/x
  3. Step 3: Cross multiply
    297,528.81x = 410,588.46 × 161,561.65
  4. Step 4: Simplify right side
    297,528.81x = 66,335,349,068.56
  5. Step 5: Solve for x
    x = 66,335,349,068.56/297,528.81
  6. Step 6: Final answer
    x = 222,954.37

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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.