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Finding the Fourth Proportional to 477,659.59, 659,171.43 and 262,813.03

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Solution

The fourth proportional to 477,659.59, 659,171.43 and 262,813.03 is: 362,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,659.59 : 659,171.43 = 262,813.03 : x
  2. Step 2: Convert to fraction form
    477,659.59/659,171.43 = 262,813.03/x
  3. Step 3: Cross multiply
    477,659.59x = 659,171.43 × 262,813.03
  4. Step 4: Simplify right side
    477,659.59x = 173,238,839,159.80
  5. Step 5: Solve for x
    x = 173,238,839,159.80/477,659.59
  6. Step 6: Final answer
    x = 362,682.64

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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.