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Finding the Fourth Proportional to 202,346.40, 303,519.60 and 162,980.40

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Solution

The fourth proportional to 202,346.40, 303,519.60 and 162,980.40 is: 244,470.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,346.40 : 303,519.60 = 162,980.40 : x
  2. Step 2: Convert to fraction form
    202,346.40/303,519.60 = 162,980.40/x
  3. Step 3: Cross multiply
    202,346.40x = 303,519.60 × 162,980.40
  4. Step 4: Simplify right side
    202,346.40x = 49,467,745,815.84
  5. Step 5: Solve for x
    x = 49,467,745,815.84/202,346.40
  6. Step 6: Final answer
    x = 244,470.60

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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.