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Finding the Fourth Proportional to 373,065.38, 514,830.29 and 203,299.50

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Solution

The fourth proportional to 373,065.38, 514,830.29 and 203,299.50 is: 280,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,065.38 : 514,830.29 = 203,299.50 : x
  2. Step 2: Convert to fraction form
    373,065.38/514,830.29 = 203,299.50/x
  3. Step 3: Cross multiply
    373,065.38x = 514,830.29 × 203,299.50
  4. Step 4: Simplify right side
    373,065.38x = 104,664,739,525.36
  5. Step 5: Solve for x
    x = 104,664,739,525.36/373,065.38
  6. Step 6: Final answer
    x = 280,553.35

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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.