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Finding the Fourth Proportional to 374,452.56, 516,618.36 and 213,193.51

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Solution

The fourth proportional to 374,452.56, 516,618.36 and 213,193.51 is: 294,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,452.56 : 516,618.36 = 213,193.51 : x
  2. Step 2: Convert to fraction form
    374,452.56/516,618.36 = 213,193.51/x
  3. Step 3: Cross multiply
    374,452.56x = 516,618.36 × 213,193.51
  4. Step 4: Simplify right side
    374,452.56x = 110,139,680,207.30
  5. Step 5: Solve for x
    x = 110,139,680,207.30/374,452.56
  6. Step 6: Final answer
    x = 294,135.20

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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.