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Finding the Fourth Proportional to 373,045.26, 514,800.84 and 203,279.40

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Solution

The fourth proportional to 373,045.26, 514,800.84 and 203,279.40 is: 280,524.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,045.26 : 514,800.84 = 203,279.40 : x
  2. Step 2: Convert to fraction form
    373,045.26/514,800.84 = 203,279.40/x
  3. Step 3: Cross multiply
    373,045.26x = 514,800.84 × 203,279.40
  4. Step 4: Simplify right side
    373,045.26x = 104,648,405,874.70
  5. Step 5: Solve for x
    x = 104,648,405,874.70/373,045.26
  6. Step 6: Final answer
    x = 280,524.69

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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.