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Finding the Fourth Proportional to 525,759.12, 788,564.57 and 170,777.43

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Solution

The fourth proportional to 525,759.12, 788,564.57 and 170,777.43 is: 256,142.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,759.12 : 788,564.57 = 170,777.43 : x
  2. Step 2: Convert to fraction form
    525,759.12/788,564.57 = 170,777.43/x
  3. Step 3: Cross multiply
    525,759.12x = 788,564.57 × 170,777.43
  4. Step 4: Simplify right side
    525,759.12x = 134,669,029,799.77
  5. Step 5: Solve for x
    x = 134,669,029,799.77/525,759.12
  6. Step 6: Final answer
    x = 256,142.07

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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.