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Finding the Fourth Proportional to 477,957.88, 659,213.46 and 296,777.08

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Solution

The fourth proportional to 477,957.88, 659,213.46 and 296,777.08 is: 409,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,957.88 : 659,213.46 = 296,777.08 : x
  2. Step 2: Convert to fraction form
    477,957.88/659,213.46 = 296,777.08/x
  3. Step 3: Cross multiply
    477,957.88x = 659,213.46 × 296,777.08
  4. Step 4: Simplify right side
    477,957.88x = 195,639,445,755.50
  5. Step 5: Solve for x
    x = 195,639,445,755.50/477,957.88
  6. Step 6: Final answer
    x = 409,323.61

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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.