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Finding the Fourth Proportional to 532,440.33, 734,797.40 and 290,745.33

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Solution

The fourth proportional to 532,440.33, 734,797.40 and 290,745.33 is: 401,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,440.33 : 734,797.40 = 290,745.33 : x
  2. Step 2: Convert to fraction form
    532,440.33/734,797.40 = 290,745.33/x
  3. Step 3: Cross multiply
    532,440.33x = 734,797.40 × 290,745.33
  4. Step 4: Simplify right side
    532,440.33x = 213,638,912,546.14
  5. Step 5: Solve for x
    x = 213,638,912,546.14/532,440.33
  6. Step 6: Final answer
    x = 401,244.80

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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.