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Finding the Fourth Proportional to 456,186.60, 684,279.90 and 269,562.60

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Solution

The fourth proportional to 456,186.60, 684,279.90 and 269,562.60 is: 404,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,186.60 : 684,279.90 = 269,562.60 : x
  2. Step 2: Convert to fraction form
    456,186.60/684,279.90 = 269,562.60/x
  3. Step 3: Cross multiply
    456,186.60x = 684,279.90 × 269,562.60
  4. Step 4: Simplify right side
    456,186.60x = 184,456,268,971.74
  5. Step 5: Solve for x
    x = 184,456,268,971.74/456,186.60
  6. Step 6: Final answer
    x = 404,343.90

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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.