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Finding the Fourth Proportional to 372,845.40, 559,268.10 and 162,893.40

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Solution

The fourth proportional to 372,845.40, 559,268.10 and 162,893.40 is: 244,340.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,845.40 : 559,268.10 = 162,893.40 : x
  2. Step 2: Convert to fraction form
    372,845.40/559,268.10 = 162,893.40/x
  3. Step 3: Cross multiply
    372,845.40x = 559,268.10 × 162,893.40
  4. Step 4: Simplify right side
    372,845.40x = 91,101,082,320.54
  5. Step 5: Solve for x
    x = 91,101,082,320.54/372,845.40
  6. Step 6: Final answer
    x = 244,340.10

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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.