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Finding the Fourth Proportional to 426,049.82, 638,915.25 and 182,860.19

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Solution

The fourth proportional to 426,049.82, 638,915.25 and 182,860.19 is: 274,221.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,049.82 : 638,915.25 = 182,860.19 : x
  2. Step 2: Convert to fraction form
    426,049.82/638,915.25 = 182,860.19/x
  3. Step 3: Cross multiply
    426,049.82x = 638,915.25 × 182,860.19
  4. Step 4: Simplify right side
    426,049.82x = 116,832,164,008.90
  5. Step 5: Solve for x
    x = 116,832,164,008.90/426,049.82
  6. Step 6: Final answer
    x = 274,221.84

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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.