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Finding the Fourth Proportional to 482,745.84, 666,220.48 and 267,886.40

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Solution

The fourth proportional to 482,745.84, 666,220.48 and 267,886.40 is: 369,700.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,745.84 : 666,220.48 = 267,886.40 : x
  2. Step 2: Convert to fraction form
    482,745.84/666,220.48 = 267,886.40/x
  3. Step 3: Cross multiply
    482,745.84x = 666,220.48 × 267,886.40
  4. Step 4: Simplify right side
    482,745.84x = 178,471,405,993.47
  5. Step 5: Solve for x
    x = 178,471,405,993.47/482,745.84
  6. Step 6: Final answer
    x = 369,700.56

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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.