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Finding the Fourth Proportional to 333,975.64, 460,905.24 and 198,090.04

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Solution

The fourth proportional to 333,975.64, 460,905.24 and 198,090.04 is: 273,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,975.64 : 460,905.24 = 198,090.04 : x
  2. Step 2: Convert to fraction form
    333,975.64/460,905.24 = 198,090.04/x
  3. Step 3: Cross multiply
    333,975.64x = 460,905.24 × 198,090.04
  4. Step 4: Simplify right side
    333,975.64x = 91,300,737,427.81
  5. Step 5: Solve for x
    x = 91,300,737,427.81/333,975.64
  6. Step 6: Final answer
    x = 273,375.44

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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.