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Finding the Fourth Proportional to 297,479.55, 410,526.72 and 161,513.49

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Solution

The fourth proportional to 297,479.55, 410,526.72 and 161,513.49 is: 222,891.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,479.55 : 410,526.72 = 161,513.49 : x
  2. Step 2: Convert to fraction form
    297,479.55/410,526.72 = 161,513.49/x
  3. Step 3: Cross multiply
    297,479.55x = 410,526.72 × 161,513.49
  4. Step 4: Simplify right side
    297,479.55x = 66,305,603,285.45
  5. Step 5: Solve for x
    x = 66,305,603,285.45/297,479.55
  6. Step 6: Final answer
    x = 222,891.30

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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.