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Finding the Fourth Proportional to 297,630.34, 410,732.96 and 161,666.93

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Solution

The fourth proportional to 297,630.34, 410,732.96 and 161,666.93 is: 223,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,630.34 : 410,732.96 = 161,666.93 : x
  2. Step 2: Convert to fraction form
    297,630.34/410,732.96 = 161,666.93/x
  3. Step 3: Cross multiply
    297,630.34x = 410,732.96 × 161,666.93
  4. Step 4: Simplify right side
    297,630.34x = 66,401,936,911.51
  5. Step 5: Solve for x
    x = 66,401,936,911.51/297,630.34
  6. Step 6: Final answer
    x = 223,102.04

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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.