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Finding the Fourth Proportional to 340,101.32, 469,340.26 and 189,198.32

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Solution

The fourth proportional to 340,101.32, 469,340.26 and 189,198.32 is: 261,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,101.32 : 469,340.26 = 189,198.32 : x
  2. Step 2: Convert to fraction form
    340,101.32/469,340.26 = 189,198.32/x
  3. Step 3: Cross multiply
    340,101.32x = 469,340.26 × 189,198.32
  4. Step 4: Simplify right side
    340,101.32x = 88,798,385,880.67
  5. Step 5: Solve for x
    x = 88,798,385,880.67/340,101.32
  6. Step 6: Final answer
    x = 261,093.92

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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.