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Finding the Fourth Proportional to 272,903.88, 376,581.78 and 201,323.64

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Solution

The fourth proportional to 272,903.88, 376,581.78 and 201,323.64 is: 277,807.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,903.88 : 376,581.78 = 201,323.64 : x
  2. Step 2: Convert to fraction form
    272,903.88/376,581.78 = 201,323.64/x
  3. Step 3: Cross multiply
    272,903.88x = 376,581.78 × 201,323.64
  4. Step 4: Simplify right side
    272,903.88x = 75,814,814,707.28
  5. Step 5: Solve for x
    x = 75,814,814,707.28/272,903.88
  6. Step 6: Final answer
    x = 277,807.76

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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.