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Finding the Fourth Proportional to 476,716.60, 657,927.48 and 275,512.60

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Solution

The fourth proportional to 476,716.60, 657,927.48 and 275,512.60 is: 380,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,716.60 : 657,927.48 = 275,512.60 : x
  2. Step 2: Convert to fraction form
    476,716.60/657,927.48 = 275,512.60/x
  3. Step 3: Cross multiply
    476,716.60x = 657,927.48 × 275,512.60
  4. Step 4: Simplify right side
    476,716.60x = 181,267,310,626.25
  5. Step 5: Solve for x
    x = 181,267,310,626.25/476,716.60
  6. Step 6: Final answer
    x = 380,241.24

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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.