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Finding the Fourth Proportional to 339,712.88, 468,812.80 and 184,674.60

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Solution

The fourth proportional to 339,712.88, 468,812.80 and 184,674.60 is: 254,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,712.88 : 468,812.80 = 184,674.60 : x
  2. Step 2: Convert to fraction form
    339,712.88/468,812.80 = 184,674.60/x
  3. Step 3: Cross multiply
    339,712.88x = 468,812.80 × 184,674.60
  4. Step 4: Simplify right side
    339,712.88x = 86,577,816,314.88
  5. Step 5: Solve for x
    x = 86,577,816,314.88/339,712.88
  6. Step 6: Final answer
    x = 254,855.85

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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.