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Finding the Fourth Proportional to 372,907.36, 514,607.52 and 203,137.84

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Solution

The fourth proportional to 372,907.36, 514,607.52 and 203,137.84 is: 280,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,907.36 : 514,607.52 = 203,137.84 : x
  2. Step 2: Convert to fraction form
    372,907.36/514,607.52 = 203,137.84/x
  3. Step 3: Cross multiply
    372,907.36x = 514,607.52 × 203,137.84
  4. Step 4: Simplify right side
    372,907.36x = 104,536,260,060.56
  5. Step 5: Solve for x
    x = 104,536,260,060.56/372,907.36
  6. Step 6: Final answer
    x = 280,327.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.