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Finding the Fourth Proportional to 375,237.88, 517,832.46 and 203,159.59

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Solution

The fourth proportional to 375,237.88, 517,832.46 and 203,159.59 is: 280,362.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,237.88 : 517,832.46 = 203,159.59 : x
  2. Step 2: Convert to fraction form
    375,237.88/517,832.46 = 203,159.59/x
  3. Step 3: Cross multiply
    375,237.88x = 517,832.46 × 203,159.59
  4. Step 4: Simplify right side
    375,237.88x = 105,202,630,262.29
  5. Step 5: Solve for x
    x = 105,202,630,262.29/375,237.88
  6. Step 6: Final answer
    x = 280,362.50

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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.