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Finding the Fourth Proportional to 477,644.58, 659,149.50 and 262,780.04

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Solution

The fourth proportional to 477,644.58, 659,149.50 and 262,780.04 is: 362,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,644.58 : 659,149.50 = 262,780.04 : x
  2. Step 2: Convert to fraction form
    477,644.58/659,149.50 = 262,780.04/x
  3. Step 3: Cross multiply
    477,644.58x = 659,149.50 × 262,780.04
  4. Step 4: Simplify right side
    477,644.58x = 173,211,328,680.23
  5. Step 5: Solve for x
    x = 173,211,328,680.23/477,644.58
  6. Step 6: Final answer
    x = 362,636.44

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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.