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Finding the Fourth Proportional to 297,637.45, 410,743.42 and 161,673.67

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Solution

The fourth proportional to 297,637.45, 410,743.42 and 161,673.67 is: 223,111.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,637.45 : 410,743.42 = 161,673.67 : x
  2. Step 2: Convert to fraction form
    297,637.45/410,743.42 = 161,673.67/x
  3. Step 3: Cross multiply
    297,637.45x = 410,743.42 × 161,673.67
  4. Step 4: Simplify right side
    297,637.45x = 66,406,396,139.75
  5. Step 5: Solve for x
    x = 66,406,396,139.75/297,637.45
  6. Step 6: Final answer
    x = 223,111.69

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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.