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Finding the Fourth Proportional to 508,617.72, 701,846.07 and 301,850.43

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Solution

The fourth proportional to 508,617.72, 701,846.07 and 301,850.43 is: 416,526.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,617.72 : 701,846.07 = 301,850.43 : x
  2. Step 2: Convert to fraction form
    508,617.72/701,846.07 = 301,850.43/x
  3. Step 3: Cross multiply
    508,617.72x = 701,846.07 × 301,850.43
  4. Step 4: Simplify right side
    508,617.72x = 211,852,538,023.31
  5. Step 5: Solve for x
    x = 211,852,538,023.31/508,617.72
  6. Step 6: Final answer
    x = 416,526.07

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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.