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Finding the Fourth Proportional to 373,081.50, 514,856.12 and 203,319.27

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Solution

The fourth proportional to 373,081.50, 514,856.12 and 203,319.27 is: 280,582.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,081.50 : 514,856.12 = 203,319.27 : x
  2. Step 2: Convert to fraction form
    373,081.50/514,856.12 = 203,319.27/x
  3. Step 3: Cross multiply
    373,081.50x = 514,856.12 × 203,319.27
  4. Step 4: Simplify right side
    373,081.50x = 104,680,169,456.84
  5. Step 5: Solve for x
    x = 104,680,169,456.84/373,081.50
  6. Step 6: Final answer
    x = 280,582.58

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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.