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Finding the Fourth Proportional to 662,148.80, 993,223.20 and 262,884.80

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Solution

The fourth proportional to 662,148.80, 993,223.20 and 262,884.80 is: 394,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,148.80 : 993,223.20 = 262,884.80 : x
  2. Step 2: Convert to fraction form
    662,148.80/993,223.20 = 262,884.80/x
  3. Step 3: Cross multiply
    662,148.80x = 993,223.20 × 262,884.80
  4. Step 4: Simplify right side
    662,148.80x = 261,103,282,287.36
  5. Step 5: Solve for x
    x = 261,103,282,287.36/662,148.80
  6. Step 6: Final answer
    x = 394,327.20

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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.