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Finding the Fourth Proportional to 356,960.00, 492,796.68 and 275,709.16

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Solution

The fourth proportional to 356,960.00, 492,796.68 and 275,709.16 is: 380,626.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,960.00 : 492,796.68 = 275,709.16 : x
  2. Step 2: Convert to fraction form
    356,960.00/492,796.68 = 275,709.16/x
  3. Step 3: Cross multiply
    356,960.00x = 492,796.68 × 275,709.16
  4. Step 4: Simplify right side
    356,960.00x = 135,868,557,461.60
  5. Step 5: Solve for x
    x = 135,868,557,461.60/356,960.00
  6. Step 6: Final answer
    x = 380,626.84

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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.