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Finding the Fourth Proportional to 477,767.56, 659,310.87 and 259,968.88

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Solution

The fourth proportional to 477,767.56, 659,310.87 and 259,968.88 is: 358,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,767.56 : 659,310.87 = 259,968.88 : x
  2. Step 2: Convert to fraction form
    477,767.56/659,310.87 = 259,968.88/x
  3. Step 3: Cross multiply
    477,767.56x = 659,310.87 × 259,968.88
  4. Step 4: Simplify right side
    477,767.56x = 171,400,308,445.73
  5. Step 5: Solve for x
    x = 171,400,308,445.73/477,767.56
  6. Step 6: Final answer
    x = 358,752.50

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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.