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Finding the Fourth Proportional to 322,079.64, 482,865.36 and 203,501.04

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Solution

The fourth proportional to 322,079.64, 482,865.36 and 203,501.04 is: 305,091.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,079.64 : 482,865.36 = 203,501.04 : x
  2. Step 2: Convert to fraction form
    322,079.64/482,865.36 = 203,501.04/x
  3. Step 3: Cross multiply
    322,079.64x = 482,865.36 × 203,501.04
  4. Step 4: Simplify right side
    322,079.64x = 98,263,602,939.97
  5. Step 5: Solve for x
    x = 98,263,602,939.97/322,079.64
  6. Step 6: Final answer
    x = 305,091.01

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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.