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Finding the Fourth Proportional to 341,352.60, 512,417.70 and 201,190.20

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Solution

The fourth proportional to 341,352.60, 512,417.70 and 201,190.20 is: 302,014.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,352.60 : 512,417.70 = 201,190.20 : x
  2. Step 2: Convert to fraction form
    341,352.60/512,417.70 = 201,190.20/x
  3. Step 3: Cross multiply
    341,352.60x = 512,417.70 × 201,190.20
  4. Step 4: Simplify right side
    341,352.60x = 103,093,419,546.54
  5. Step 5: Solve for x
    x = 103,093,419,546.54/341,352.60
  6. Step 6: Final answer
    x = 302,014.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.