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Finding the Fourth Proportional to 373,079.52, 514,848.84 and 203,313.36

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Solution

The fourth proportional to 373,079.52, 514,848.84 and 203,313.36 is: 280,571.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,079.52 : 514,848.84 = 203,313.36 : x
  2. Step 2: Convert to fraction form
    373,079.52/514,848.84 = 203,313.36/x
  3. Step 3: Cross multiply
    373,079.52x = 514,848.84 × 203,313.36
  4. Step 4: Simplify right side
    373,079.52x = 104,675,647,552.50
  5. Step 5: Solve for x
    x = 104,675,647,552.50/373,079.52
  6. Step 6: Final answer
    x = 280,571.95

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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.