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Finding the Fourth Proportional to 343,059.44, 472,365.22 and 304,752.56

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Solution

The fourth proportional to 343,059.44, 472,365.22 and 304,752.56 is: 419,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,059.44 : 472,365.22 = 304,752.56 : x
  2. Step 2: Convert to fraction form
    343,059.44/472,365.22 = 304,752.56/x
  3. Step 3: Cross multiply
    343,059.44x = 472,365.22 × 304,752.56
  4. Step 4: Simplify right side
    343,059.44x = 143,954,507,181.60
  5. Step 5: Solve for x
    x = 143,954,507,181.60/343,059.44
  6. Step 6: Final answer
    x = 419,619.72

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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.