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Finding the Fourth Proportional to 477,628.05, 659,119.50 and 262,755.30

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Solution

The fourth proportional to 477,628.05, 659,119.50 and 262,755.30 is: 362,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,628.05 : 659,119.50 = 262,755.30 : x
  2. Step 2: Convert to fraction form
    477,628.05/659,119.50 = 262,755.30/x
  3. Step 3: Cross multiply
    477,628.05x = 659,119.50 × 262,755.30
  4. Step 4: Simplify right side
    477,628.05x = 173,187,141,958.35
  5. Step 5: Solve for x
    x = 173,187,141,958.35/477,628.05
  6. Step 6: Final answer
    x = 362,598.35

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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.