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Finding the Fourth Proportional to 635,072.60, 876,382.23 and 348,592.41

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Solution

The fourth proportional to 635,072.60, 876,382.23 and 348,592.41 is: 481,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,072.60 : 876,382.23 = 348,592.41 : x
  2. Step 2: Convert to fraction form
    635,072.60/876,382.23 = 348,592.41/x
  3. Step 3: Cross multiply
    635,072.60x = 876,382.23 × 348,592.41
  4. Step 4: Simplify right side
    635,072.60x = 305,500,194,944.10
  5. Step 5: Solve for x
    x = 305,500,194,944.10/635,072.60
  6. Step 6: Final answer
    x = 481,047.67

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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.