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Finding the Fourth Proportional to 477,595.36, 659,060.80 and 262,721.80

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Solution

The fourth proportional to 477,595.36, 659,060.80 and 262,721.80 is: 362,544.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,595.36 : 659,060.80 = 262,721.80 : x
  2. Step 2: Convert to fraction form
    477,595.36/659,060.80 = 262,721.80/x
  3. Step 3: Cross multiply
    477,595.36x = 659,060.80 × 262,721.80
  4. Step 4: Simplify right side
    477,595.36x = 173,149,639,685.44
  5. Step 5: Solve for x
    x = 173,149,639,685.44/477,595.36
  6. Step 6: Final answer
    x = 362,544.64

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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.