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Finding the Fourth Proportional to 478,388.23, 718,025.21 and 241,896.98

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Solution

The fourth proportional to 478,388.23, 718,025.21 and 241,896.98 is: 363,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,388.23 : 718,025.21 = 241,896.98 : x
  2. Step 2: Convert to fraction form
    478,388.23/718,025.21 = 241,896.98/x
  3. Step 3: Cross multiply
    478,388.23x = 718,025.21 × 241,896.98
  4. Step 4: Simplify right side
    478,388.23x = 173,688,131,355.56
  5. Step 5: Solve for x
    x = 173,688,131,355.56/478,388.23
  6. Step 6: Final answer
    x = 363,069.41

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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.