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Finding the Fourth Proportional to 525,563.46, 788,213.97 and 170,679.06

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Solution

The fourth proportional to 525,563.46, 788,213.97 and 170,679.06 is: 255,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,563.46 : 788,213.97 = 170,679.06 : x
  2. Step 2: Convert to fraction form
    525,563.46/788,213.97 = 170,679.06/x
  3. Step 3: Cross multiply
    525,563.46x = 788,213.97 × 170,679.06
  4. Step 4: Simplify right side
    525,563.46x = 134,531,619,478.47
  5. Step 5: Solve for x
    x = 134,531,619,478.47/525,563.46
  6. Step 6: Final answer
    x = 255,975.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.