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Finding the Fourth Proportional to 297,351.32, 410,345.22 and 161,385.27

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Solution

The fourth proportional to 297,351.32, 410,345.22 and 161,385.27 is: 222,711.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,351.32 : 410,345.22 = 161,385.27 : x
  2. Step 2: Convert to fraction form
    297,351.32/410,345.22 = 161,385.27/x
  3. Step 3: Cross multiply
    297,351.32x = 410,345.22 × 161,385.27
  4. Step 4: Simplify right side
    297,351.32x = 66,223,674,122.91
  5. Step 5: Solve for x
    x = 66,223,674,122.91/297,351.32
  6. Step 6: Final answer
    x = 222,711.89

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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.