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Finding the Fourth Proportional to 297,349.61, 410,342.85 and 161,383.55

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Solution

The fourth proportional to 297,349.61, 410,342.85 and 161,383.55 is: 222,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,349.61 : 410,342.85 = 161,383.55 : x
  2. Step 2: Convert to fraction form
    297,349.61/410,342.85 = 161,383.55/x
  3. Step 3: Cross multiply
    297,349.61x = 410,342.85 × 161,383.55
  4. Step 4: Simplify right side
    297,349.61x = 66,222,583,798.40
  5. Step 5: Solve for x
    x = 66,222,583,798.40/297,349.61
  6. Step 6: Final answer
    x = 222,709.51

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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.