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Finding the Fourth Proportional to 373,051.26, 514,809.12 and 203,285.40

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Solution

The fourth proportional to 373,051.26, 514,809.12 and 203,285.40 is: 280,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,051.26 : 514,809.12 = 203,285.40 : x
  2. Step 2: Convert to fraction form
    373,051.26/514,809.12 = 203,285.40/x
  3. Step 3: Cross multiply
    373,051.26x = 514,809.12 × 203,285.40
  4. Step 4: Simplify right side
    373,051.26x = 104,653,177,882.85
  5. Step 5: Solve for x
    x = 104,653,177,882.85/373,051.26
  6. Step 6: Final answer
    x = 280,532.97

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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.