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Finding the Fourth Proportional to 477,653.56, 659,161.88 and 262,789.01

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Solution

The fourth proportional to 477,653.56, 659,161.88 and 262,789.01 is: 362,648.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,653.56 : 659,161.88 = 262,789.01 : x
  2. Step 2: Convert to fraction form
    477,653.56/659,161.88 = 262,789.01/x
  3. Step 3: Cross multiply
    477,653.56x = 659,161.88 × 262,789.01
  4. Step 4: Simplify right side
    477,653.56x = 173,220,495,983.41
  5. Step 5: Solve for x
    x = 173,220,495,983.41/477,653.56
  6. Step 6: Final answer
    x = 362,648.81

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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.