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Finding the Fourth Proportional to 374,391.44, 516,660.06 and 213,261.36

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Solution

The fourth proportional to 374,391.44, 516,660.06 and 213,261.36 is: 294,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,391.44 : 516,660.06 = 213,261.36 : x
  2. Step 2: Convert to fraction form
    374,391.44/516,660.06 = 213,261.36/x
  3. Step 3: Cross multiply
    374,391.44x = 516,660.06 × 213,261.36
  4. Step 4: Simplify right side
    374,391.44x = 110,183,627,053.28
  5. Step 5: Solve for x
    x = 110,183,627,053.28/374,391.44
  6. Step 6: Final answer
    x = 294,300.60

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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.