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Finding the Fourth Proportional to 469,768.88, 704,564.76 and 132,806.86

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Solution

The fourth proportional to 469,768.88, 704,564.76 and 132,806.86 is: 199,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,768.88 : 704,564.76 = 132,806.86 : x
  2. Step 2: Convert to fraction form
    469,768.88/704,564.76 = 132,806.86/x
  3. Step 3: Cross multiply
    469,768.88x = 704,564.76 × 132,806.86
  4. Step 4: Simplify right side
    469,768.88x = 93,571,033,442.25
  5. Step 5: Solve for x
    x = 93,571,033,442.25/469,768.88
  6. Step 6: Final answer
    x = 199,185.25

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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.