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Finding the Fourth Proportional to 635,471.59, 876,949.75 and 348,991.67

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Solution

The fourth proportional to 635,471.59, 876,949.75 and 348,991.67 is: 481,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,471.59 : 876,949.75 = 348,991.67 : x
  2. Step 2: Convert to fraction form
    635,471.59/876,949.75 = 348,991.67/x
  3. Step 3: Cross multiply
    635,471.59x = 876,949.75 × 348,991.67
  4. Step 4: Simplify right side
    635,471.59x = 306,048,157,758.58
  5. Step 5: Solve for x
    x = 306,048,157,758.58/635,471.59
  6. Step 6: Final answer
    x = 481,607.93

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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.