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Finding the Fourth Proportional to 375,342.37, 517,972.74 and 203,261.69

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Solution

The fourth proportional to 375,342.37, 517,972.74 and 203,261.69 is: 280,501.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,342.37 : 517,972.74 = 203,261.69 : x
  2. Step 2: Convert to fraction form
    375,342.37/517,972.74 = 203,261.69/x
  3. Step 3: Cross multiply
    375,342.37x = 517,972.74 × 203,261.69
  4. Step 4: Simplify right side
    375,342.37x = 105,284,011,916.47
  5. Step 5: Solve for x
    x = 105,284,011,916.47/375,342.37
  6. Step 6: Final answer
    x = 280,501.27

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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.