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Finding the Fourth Proportional to 297,364.68, 410,352.28 and 161,395.72

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Solution

The fourth proportional to 297,364.68, 410,352.28 and 161,395.72 is: 222,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,364.68 : 410,352.28 = 161,395.72 : x
  2. Step 2: Convert to fraction form
    297,364.68/410,352.28 = 161,395.72/x
  3. Step 3: Cross multiply
    297,364.68x = 410,352.28 × 161,395.72
  4. Step 4: Simplify right side
    297,364.68x = 66,229,101,684.24
  5. Step 5: Solve for x
    x = 66,229,101,684.24/297,364.68
  6. Step 6: Final answer
    x = 222,720.14

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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.