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Finding the Fourth Proportional to 394,672.37, 592,007.18 and 141,952.44

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Solution

The fourth proportional to 394,672.37, 592,007.18 and 141,952.44 is: 212,928.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,672.37 : 592,007.18 = 141,952.44 : x
  2. Step 2: Convert to fraction form
    394,672.37/592,007.18 = 141,952.44/x
  3. Step 3: Cross multiply
    394,672.37x = 592,007.18 × 141,952.44
  4. Step 4: Simplify right side
    394,672.37x = 84,036,862,988.76
  5. Step 5: Solve for x
    x = 84,036,862,988.76/394,672.37
  6. Step 6: Final answer
    x = 212,928.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.