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Finding the Fourth Proportional to 297,635.90, 410,740.62 and 161,672.50

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Solution

The fourth proportional to 297,635.90, 410,740.62 and 161,672.50 is: 223,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,635.90 : 410,740.62 = 161,672.50 : x
  2. Step 2: Convert to fraction form
    297,635.90/410,740.62 = 161,672.50/x
  3. Step 3: Cross multiply
    297,635.90x = 410,740.62 × 161,672.50
  4. Step 4: Simplify right side
    297,635.90x = 66,405,460,833.25
  5. Step 5: Solve for x
    x = 66,405,460,833.25/297,635.90
  6. Step 6: Final answer
    x = 223,109.72

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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.