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Finding the Fourth Proportional to 349,301.75, 482,036.42 and 190,325.75

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Solution

The fourth proportional to 349,301.75, 482,036.42 and 190,325.75 is: 262,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,301.75 : 482,036.42 = 190,325.75 : x
  2. Step 2: Convert to fraction form
    349,301.75/482,036.42 = 190,325.75/x
  3. Step 3: Cross multiply
    349,301.75x = 482,036.42 × 190,325.75
  4. Step 4: Simplify right side
    349,301.75x = 91,743,943,163.82
  5. Step 5: Solve for x
    x = 91,743,943,163.82/349,301.75
  6. Step 6: Final answer
    x = 262,649.54

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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.