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Finding the Fourth Proportional to 469,736.82, 704,603.32 and 170,147.28

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Solution

The fourth proportional to 469,736.82, 704,603.32 and 170,147.28 is: 255,220.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,736.82 : 704,603.32 = 170,147.28 : x
  2. Step 2: Convert to fraction form
    469,736.82/704,603.32 = 170,147.28/x
  3. Step 3: Cross multiply
    469,736.82x = 704,603.32 × 170,147.28
  4. Step 4: Simplify right side
    469,736.82x = 119,886,338,376.97
  5. Step 5: Solve for x
    x = 119,886,338,376.97/469,736.82
  6. Step 6: Final answer
    x = 255,220.23

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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.