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Finding the Fourth Proportional to 598,190.55, 825,630.71 and 343,682.07

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Solution

The fourth proportional to 598,190.55, 825,630.71 and 343,682.07 is: 474,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,190.55 : 825,630.71 = 343,682.07 : x
  2. Step 2: Convert to fraction form
    598,190.55/825,630.71 = 343,682.07/x
  3. Step 3: Cross multiply
    598,190.55x = 825,630.71 × 343,682.07
  4. Step 4: Simplify right side
    598,190.55x = 283,754,471,468.37
  5. Step 5: Solve for x
    x = 283,754,471,468.37/598,190.55
  6. Step 6: Final answer
    x = 474,354.65

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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.