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Finding the Fourth Proportional to 297,831.56, 411,006.03 and 161,863.34

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Solution

The fourth proportional to 297,831.56, 411,006.03 and 161,863.34 is: 223,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,831.56 : 411,006.03 = 161,863.34 : x
  2. Step 2: Convert to fraction form
    297,831.56/411,006.03 = 161,863.34/x
  3. Step 3: Cross multiply
    297,831.56x = 411,006.03 × 161,863.34
  4. Step 4: Simplify right side
    297,831.56x = 66,526,808,775.94
  5. Step 5: Solve for x
    x = 66,526,808,775.94/297,831.56
  6. Step 6: Final answer
    x = 223,370.58

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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.