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Finding the Fourth Proportional to 482,671.05, 666,075.87 and 267,806.49

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Solution

The fourth proportional to 482,671.05, 666,075.87 and 267,806.49 is: 369,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,671.05 : 666,075.87 = 267,806.49 : x
  2. Step 2: Convert to fraction form
    482,671.05/666,075.87 = 267,806.49/x
  3. Step 3: Cross multiply
    482,671.05x = 666,075.87 × 267,806.49
  4. Step 4: Simplify right side
    482,671.05x = 178,379,440,818.40
  5. Step 5: Solve for x
    x = 178,379,440,818.40/482,671.05
  6. Step 6: Final answer
    x = 369,567.31

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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.