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Finding the Fourth Proportional to 292,980.44, 439,471.38 and 82,619.48

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Solution

The fourth proportional to 292,980.44, 439,471.38 and 82,619.48 is: 123,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,980.44 : 439,471.38 = 82,619.48 : x
  2. Step 2: Convert to fraction form
    292,980.44/439,471.38 = 82,619.48/x
  3. Step 3: Cross multiply
    292,980.44x = 439,471.38 × 82,619.48
  4. Step 4: Simplify right side
    292,980.44x = 36,308,896,890.48
  5. Step 5: Solve for x
    x = 36,308,896,890.48/292,980.44
  6. Step 6: Final answer
    x = 123,929.42

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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.