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Finding the Fourth Proportional to 295,466.80, 443,200.20 and 262,807.60

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Solution

The fourth proportional to 295,466.80, 443,200.20 and 262,807.60 is: 394,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,466.80 : 443,200.20 = 262,807.60 : x
  2. Step 2: Convert to fraction form
    295,466.80/443,200.20 = 262,807.60/x
  3. Step 3: Cross multiply
    295,466.80x = 443,200.20 × 262,807.60
  4. Step 4: Simplify right side
    295,466.80x = 116,476,380,881.52
  5. Step 5: Solve for x
    x = 116,476,380,881.52/295,466.80
  6. Step 6: Final answer
    x = 394,211.40

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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.