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Finding the Fourth Proportional to 285,805.46, 394,230.38 and 183,655.14

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Solution

The fourth proportional to 285,805.46, 394,230.38 and 183,655.14 is: 253,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,805.46 : 394,230.38 = 183,655.14 : x
  2. Step 2: Convert to fraction form
    285,805.46/394,230.38 = 183,655.14/x
  3. Step 3: Cross multiply
    285,805.46x = 394,230.38 × 183,655.14
  4. Step 4: Simplify right side
    285,805.46x = 72,402,434,712.88
  5. Step 5: Solve for x
    x = 72,402,434,712.88/285,805.46
  6. Step 6: Final answer
    x = 253,327.69

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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.