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Finding the Fourth Proportional to 202,432.40, 303,648.60 and 170,939.60

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Solution

The fourth proportional to 202,432.40, 303,648.60 and 170,939.60 is: 256,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,432.40 : 303,648.60 = 170,939.60 : x
  2. Step 2: Convert to fraction form
    202,432.40/303,648.60 = 170,939.60/x
  3. Step 3: Cross multiply
    202,432.40x = 303,648.60 × 170,939.60
  4. Step 4: Simplify right side
    202,432.40x = 51,905,570,224.56
  5. Step 5: Solve for x
    x = 51,905,570,224.56/202,432.40
  6. Step 6: Final answer
    x = 256,409.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.