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Finding the Fourth Proportional to 375,253.53, 517,849.19 and 203,171.48

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Solution

The fourth proportional to 375,253.53, 517,849.19 and 203,171.48 is: 280,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,253.53 : 517,849.19 = 203,171.48 : x
  2. Step 2: Convert to fraction form
    375,253.53/517,849.19 = 203,171.48/x
  3. Step 3: Cross multiply
    375,253.53x = 517,849.19 × 203,171.48
  4. Step 4: Simplify right side
    375,253.53x = 105,212,186,349.10
  5. Step 5: Solve for x
    x = 105,212,186,349.10/375,253.53
  6. Step 6: Final answer
    x = 280,376.27

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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.