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Finding the Fourth Proportional to 342,588.17, 472,761.41 and 189,632.63

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Solution

The fourth proportional to 342,588.17, 472,761.41 and 189,632.63 is: 261,687.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,588.17 : 472,761.41 = 189,632.63 : x
  2. Step 2: Convert to fraction form
    342,588.17/472,761.41 = 189,632.63/x
  3. Step 3: Cross multiply
    342,588.17x = 472,761.41 × 189,632.63
  4. Step 4: Simplify right side
    342,588.17x = 89,650,986,228.84
  5. Step 5: Solve for x
    x = 89,650,986,228.84/342,588.17
  6. Step 6: Final answer
    x = 261,687.34

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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.