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Finding the Fourth Proportional to 343,749.33, 474,379.20 and 190,797.44

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Solution

The fourth proportional to 343,749.33, 474,379.20 and 190,797.44 is: 263,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,749.33 : 474,379.20 = 190,797.44 : x
  2. Step 2: Convert to fraction form
    343,749.33/474,379.20 = 190,797.44/x
  3. Step 3: Cross multiply
    343,749.33x = 474,379.20 × 190,797.44
  4. Step 4: Simplify right side
    343,749.33x = 90,510,334,577.35
  5. Step 5: Solve for x
    x = 90,510,334,577.35/343,749.33
  6. Step 6: Final answer
    x = 263,303.30

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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.