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Finding the Fourth Proportional to 300,035.70, 449,981.55 and 173,402.10

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Solution

The fourth proportional to 300,035.70, 449,981.55 and 173,402.10 is: 260,061.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,035.70 : 449,981.55 = 173,402.10 : x
  2. Step 2: Convert to fraction form
    300,035.70/449,981.55 = 173,402.10/x
  3. Step 3: Cross multiply
    300,035.70x = 449,981.55 × 173,402.10
  4. Step 4: Simplify right side
    300,035.70x = 78,027,745,731.26
  5. Step 5: Solve for x
    x = 78,027,745,731.26/300,035.70
  6. Step 6: Final answer
    x = 260,061.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.