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Finding the Fourth Proportional to 329,850.48, 455,193.72 and 186,607.56

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Solution

The fourth proportional to 329,850.48, 455,193.72 and 186,607.56 is: 257,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,850.48 : 455,193.72 = 186,607.56 : x
  2. Step 2: Convert to fraction form
    329,850.48/455,193.72 = 186,607.56/x
  3. Step 3: Cross multiply
    329,850.48x = 455,193.72 × 186,607.56
  4. Step 4: Simplify right side
    329,850.48x = 84,942,589,416.52
  5. Step 5: Solve for x
    x = 84,942,589,416.52/329,850.48
  6. Step 6: Final answer
    x = 257,518.47

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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.