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Finding the Fourth Proportional to 374,204.88, 516,403.24 and 213,060

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Solution

The fourth proportional to 374,204.88, 516,403.24 and 213,060 is: 294,023.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,204.88 : 516,403.24 = 213,060 : x
  2. Step 2: Convert to fraction form
    374,204.88/516,403.24 = 213,060/x
  3. Step 3: Cross multiply
    374,204.88x = 516,403.24 × 213,060
  4. Step 4: Simplify right side
    374,204.88x = 110,024,874,314.40
  5. Step 5: Solve for x
    x = 110,024,874,314.40/374,204.88
  6. Step 6: Final answer
    x = 294,023.09

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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.