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Finding the Fourth Proportional to 319,100.56, 440,379.56 and 183,178.52

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Solution

The fourth proportional to 319,100.56, 440,379.56 and 183,178.52 is: 252,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,100.56 : 440,379.56 = 183,178.52 : x
  2. Step 2: Convert to fraction form
    319,100.56/440,379.56 = 183,178.52/x
  3. Step 3: Cross multiply
    319,100.56x = 440,379.56 × 183,178.52
  4. Step 4: Simplify right side
    319,100.56x = 80,668,076,039.05
  5. Step 5: Solve for x
    x = 80,668,076,039.05/319,100.56
  6. Step 6: Final answer
    x = 252,798.29

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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.