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Finding the Fourth Proportional to 455,093.40, 682,640.10 and 295,661.10

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Solution

The fourth proportional to 455,093.40, 682,640.10 and 295,661.10 is: 443,491.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,093.40 : 682,640.10 = 295,661.10 : x
  2. Step 2: Convert to fraction form
    455,093.40/682,640.10 = 295,661.10/x
  3. Step 3: Cross multiply
    455,093.40x = 682,640.10 × 295,661.10
  4. Step 4: Simplify right side
    455,093.40x = 201,830,122,870.11
  5. Step 5: Solve for x
    x = 201,830,122,870.11/455,093.40
  6. Step 6: Final answer
    x = 443,491.65

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Similar ratio
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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.