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Finding the Fourth Proportional to 482,655.72, 666,075.84 and 267,787.80

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Solution

The fourth proportional to 482,655.72, 666,075.84 and 267,787.80 is: 369,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,655.72 : 666,075.84 = 267,787.80 : x
  2. Step 2: Convert to fraction form
    482,655.72/666,075.84 = 267,787.80/x
  3. Step 3: Cross multiply
    482,655.72x = 666,075.84 × 267,787.80
  4. Step 4: Simplify right side
    482,655.72x = 178,366,983,826.75
  5. Step 5: Solve for x
    x = 178,366,983,826.75/482,655.72
  6. Step 6: Final answer
    x = 369,553.24

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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.