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Finding the Fourth Proportional to 551,452.40, 827,178.60 and 235,941.20

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Solution

The fourth proportional to 551,452.40, 827,178.60 and 235,941.20 is: 353,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,452.40 : 827,178.60 = 235,941.20 : x
  2. Step 2: Convert to fraction form
    551,452.40/827,178.60 = 235,941.20/x
  3. Step 3: Cross multiply
    551,452.40x = 827,178.60 × 235,941.20
  4. Step 4: Simplify right side
    551,452.40x = 195,165,511,498.32
  5. Step 5: Solve for x
    x = 195,165,511,498.32/551,452.40
  6. Step 6: Final answer
    x = 353,911.80

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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.