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Finding the Fourth Proportional to 455,066.10, 682,599.15 and 302,850.90

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Solution

The fourth proportional to 455,066.10, 682,599.15 and 302,850.90 is: 454,276.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,066.10 : 682,599.15 = 302,850.90 : x
  2. Step 2: Convert to fraction form
    455,066.10/682,599.15 = 302,850.90/x
  3. Step 3: Cross multiply
    455,066.10x = 682,599.15 × 302,850.90
  4. Step 4: Simplify right side
    455,066.10x = 206,725,766,916.74
  5. Step 5: Solve for x
    x = 206,725,766,916.74/455,066.10
  6. Step 6: Final answer
    x = 454,276.35

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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.