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Finding the Fourth Proportional to 463,450.80, 695,176.20 and 197,144.40

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Solution

The fourth proportional to 463,450.80, 695,176.20 and 197,144.40 is: 295,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,450.80 : 695,176.20 = 197,144.40 : x
  2. Step 2: Convert to fraction form
    463,450.80/695,176.20 = 197,144.40/x
  3. Step 3: Cross multiply
    463,450.80x = 695,176.20 × 197,144.40
  4. Step 4: Simplify right side
    463,450.80x = 137,050,094,843.28
  5. Step 5: Solve for x
    x = 137,050,094,843.28/463,450.80
  6. Step 6: Final answer
    x = 295,716.60

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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.