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Finding the Fourth Proportional to 375,966.55, 518,833.97 and 203,884.46

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Solution

The fourth proportional to 375,966.55, 518,833.97 and 203,884.46 is: 281,360.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,966.55 : 518,833.97 = 203,884.46 : x
  2. Step 2: Convert to fraction form
    375,966.55/518,833.97 = 203,884.46/x
  3. Step 3: Cross multiply
    375,966.55x = 518,833.97 × 203,884.46
  4. Step 4: Simplify right side
    375,966.55x = 105,782,184,280.84
  5. Step 5: Solve for x
    x = 105,782,184,280.84/375,966.55
  6. Step 6: Final answer
    x = 281,360.63

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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.