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Finding the Fourth Proportional to 399,580.70, 599,592.48 and 162,905.07

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Solution

The fourth proportional to 399,580.70, 599,592.48 and 162,905.07 is: 244,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,580.70 : 599,592.48 = 162,905.07 : x
  2. Step 2: Convert to fraction form
    399,580.70/599,592.48 = 162,905.07/x
  3. Step 3: Cross multiply
    399,580.70x = 599,592.48 × 162,905.07
  4. Step 4: Simplify right side
    399,580.70x = 97,676,656,563.45
  5. Step 5: Solve for x
    x = 97,676,656,563.45/399,580.70
  6. Step 6: Final answer
    x = 244,447.89

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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.