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Finding the Fourth Proportional to 293,603.80, 405,175.28 and 159,467.80

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Solution

The fourth proportional to 293,603.80, 405,175.28 and 159,467.80 is: 220,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,603.80 : 405,175.28 = 159,467.80 : x
  2. Step 2: Convert to fraction form
    293,603.80/405,175.28 = 159,467.80/x
  3. Step 3: Cross multiply
    293,603.80x = 405,175.28 × 159,467.80
  4. Step 4: Simplify right side
    293,603.80x = 64,612,410,515.98
  5. Step 5: Solve for x
    x = 64,612,410,515.98/293,603.80
  6. Step 6: Final answer
    x = 220,066.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.