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Finding the Fourth Proportional to 477,782.72, 659,323.62 and 262,902.68

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Solution

The fourth proportional to 477,782.72, 659,323.62 and 262,902.68 is: 362,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,782.72 : 659,323.62 = 262,902.68 : x
  2. Step 2: Convert to fraction form
    477,782.72/659,323.62 = 262,902.68/x
  3. Step 3: Cross multiply
    477,782.72x = 659,323.62 × 262,902.68
  4. Step 4: Simplify right side
    477,782.72x = 173,337,946,685.30
  5. Step 5: Solve for x
    x = 173,337,946,685.30/477,782.72
  6. Step 6: Final answer
    x = 362,796.60

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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.