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Finding the Fourth Proportional to 363,208.30, 544,812.45 and 113,889.90

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Solution

The fourth proportional to 363,208.30, 544,812.45 and 113,889.90 is: 170,834.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,208.30 : 544,812.45 = 113,889.90 : x
  2. Step 2: Convert to fraction form
    363,208.30/544,812.45 = 113,889.90/x
  3. Step 3: Cross multiply
    363,208.30x = 544,812.45 × 113,889.90
  4. Step 4: Simplify right side
    363,208.30x = 62,048,635,449.26
  5. Step 5: Solve for x
    x = 62,048,635,449.26/363,208.30
  6. Step 6: Final answer
    x = 170,834.85

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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.