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Finding the Fourth Proportional to 331,795.63, 497,693.31 and 82,477.63

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Solution

The fourth proportional to 331,795.63, 497,693.31 and 82,477.63 is: 123,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,795.63 : 497,693.31 = 82,477.63 : x
  2. Step 2: Convert to fraction form
    331,795.63/497,693.31 = 82,477.63/x
  3. Step 3: Cross multiply
    331,795.63x = 497,693.31 × 82,477.63
  4. Step 4: Simplify right side
    331,795.63x = 41,048,564,675.66
  5. Step 5: Solve for x
    x = 41,048,564,675.66/331,795.63
  6. Step 6: Final answer
    x = 123,716.41

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1.5x scale

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.