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Finding the Fourth Proportional to 477,287.79, 658,659.63 and 262,441.70

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Solution

The fourth proportional to 477,287.79, 658,659.63 and 262,441.70 is: 362,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,287.79 : 658,659.63 = 262,441.70 : x
  2. Step 2: Convert to fraction form
    477,287.79/658,659.63 = 262,441.70/x
  3. Step 3: Cross multiply
    477,287.79x = 658,659.63 × 262,441.70
  4. Step 4: Simplify right side
    477,287.79x = 172,859,749,725.27
  5. Step 5: Solve for x
    x = 172,859,749,725.27/477,287.79
  6. Step 6: Final answer
    x = 362,170.90

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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.