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Finding the Fourth Proportional to 525,475.96, 788,324.64 and 170,462.26

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Solution

The fourth proportional to 525,475.96, 788,324.64 and 170,462.26 is: 255,729.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,475.96 : 788,324.64 = 170,462.26 : x
  2. Step 2: Convert to fraction form
    525,475.96/788,324.64 = 170,462.26/x
  3. Step 3: Cross multiply
    525,475.96x = 788,324.64 × 170,462.26
  4. Step 4: Simplify right side
    525,475.96x = 134,379,599,748.09
  5. Step 5: Solve for x
    x = 134,379,599,748.09/525,475.96
  6. Step 6: Final answer
    x = 255,729.30

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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.