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Finding the Fourth Proportional to 375,236.88, 517,831.08 and 203,158.59

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Solution

The fourth proportional to 375,236.88, 517,831.08 and 203,158.59 is: 280,361.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,236.88 : 517,831.08 = 203,158.59 : x
  2. Step 2: Convert to fraction form
    375,236.88/517,831.08 = 203,158.59/x
  3. Step 3: Cross multiply
    375,236.88x = 517,831.08 × 203,158.59
  4. Step 4: Simplify right side
    375,236.88x = 105,201,832,070.98
  5. Step 5: Solve for x
    x = 105,201,832,070.98/375,236.88
  6. Step 6: Final answer
    x = 280,361.12

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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.