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Finding the Fourth Proportional to 477,636.58, 659,131.20 and 262,763.80

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Solution

The fourth proportional to 477,636.58, 659,131.20 and 262,763.80 is: 362,610.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,636.58 : 659,131.20 = 262,763.80 : x
  2. Step 2: Convert to fraction form
    477,636.58/659,131.20 = 262,763.80/x
  3. Step 3: Cross multiply
    477,636.58x = 659,131.20 × 262,763.80
  4. Step 4: Simplify right side
    477,636.58x = 173,195,818,810.56
  5. Step 5: Solve for x
    x = 173,195,818,810.56/477,636.58
  6. Step 6: Final answer
    x = 362,610.04

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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.