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Finding the Fourth Proportional to 455,467.40, 683,201.10 and 366,893.90

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Solution

The fourth proportional to 455,467.40, 683,201.10 and 366,893.90 is: 550,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,467.40 : 683,201.10 = 366,893.90 : x
  2. Step 2: Convert to fraction form
    455,467.40/683,201.10 = 366,893.90/x
  3. Step 3: Cross multiply
    455,467.40x = 683,201.10 × 366,893.90
  4. Step 4: Simplify right side
    455,467.40x = 250,662,316,063.29
  5. Step 5: Solve for x
    x = 250,662,316,063.29/455,467.40
  6. Step 6: Final answer
    x = 550,340.85

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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.