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Finding the Fourth Proportional to 336,903.90, 504,189.45 and 308,910.30

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Solution

The fourth proportional to 336,903.90, 504,189.45 and 308,910.30 is: 462,295.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,903.90 : 504,189.45 = 308,910.30 : x
  2. Step 2: Convert to fraction form
    336,903.90/504,189.45 = 308,910.30/x
  3. Step 3: Cross multiply
    336,903.90x = 504,189.45 × 308,910.30
  4. Step 4: Simplify right side
    336,903.90x = 155,749,314,256.34
  5. Step 5: Solve for x
    x = 155,749,314,256.34/336,903.90
  6. Step 6: Final answer
    x = 462,295.97

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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.