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Finding the Fourth Proportional to 297,040.50, 409,941.81 and 162,930.42

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Solution

The fourth proportional to 297,040.50, 409,941.81 and 162,930.42 is: 224,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,040.50 : 409,941.81 = 162,930.42 : x
  2. Step 2: Convert to fraction form
    297,040.50/409,941.81 = 162,930.42/x
  3. Step 3: Cross multiply
    297,040.50x = 409,941.81 × 162,930.42
  4. Step 4: Simplify right side
    297,040.50x = 66,791,991,278.86
  5. Step 5: Solve for x
    x = 66,791,991,278.86/297,040.50
  6. Step 6: Final answer
    x = 224,858.20

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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.