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Finding the Fourth Proportional to 368,871.42, 505,724.64 and 362,146.41

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Solution

The fourth proportional to 368,871.42, 505,724.64 and 362,146.41 is: 496,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,871.42 : 505,724.64 = 362,146.41 : x
  2. Step 2: Convert to fraction form
    368,871.42/505,724.64 = 362,146.41/x
  3. Step 3: Cross multiply
    368,871.42x = 505,724.64 × 362,146.41
  4. Step 4: Simplify right side
    368,871.42x = 183,146,362,824.54
  5. Step 5: Solve for x
    x = 183,146,362,824.54/368,871.42
  6. Step 6: Final answer
    x = 496,504.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.