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Finding the Fourth Proportional to 325,349.38, 448,957.63 and 198,010.90

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Solution

The fourth proportional to 325,349.38, 448,957.63 and 198,010.90 is: 273,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,349.38 : 448,957.63 = 198,010.90 : x
  2. Step 2: Convert to fraction form
    325,349.38/448,957.63 = 198,010.90/x
  3. Step 3: Cross multiply
    325,349.38x = 448,957.63 × 198,010.90
  4. Step 4: Simplify right side
    325,349.38x = 88,898,504,378.17
  5. Step 5: Solve for x
    x = 88,898,504,378.17/325,349.38
  6. Step 6: Final answer
    x = 273,240.12

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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.