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Finding the Fourth Proportional to 455,410.10, 683,115.15 and 159,922.10

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Solution

The fourth proportional to 455,410.10, 683,115.15 and 159,922.10 is: 239,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,410.10 : 683,115.15 = 159,922.10 : x
  2. Step 2: Convert to fraction form
    455,410.10/683,115.15 = 159,922.10/x
  3. Step 3: Cross multiply
    455,410.10x = 683,115.15 × 159,922.10
  4. Step 4: Simplify right side
    455,410.10x = 109,245,209,329.82
  5. Step 5: Solve for x
    x = 109,245,209,329.82/455,410.10
  6. Step 6: Final answer
    x = 239,883.15

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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.