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Finding the Fourth Proportional to 500,676, 751,181.60 and 163,732.16

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Solution

The fourth proportional to 500,676, 751,181.60 and 163,732.16 is: 245,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,676 : 751,181.60 = 163,732.16 : x
  2. Step 2: Convert to fraction form
    500,676/751,181.60 = 163,732.16/x
  3. Step 3: Cross multiply
    500,676x = 751,181.60 × 163,732.16
  4. Step 4: Simplify right side
    500,676x = 122,992,585,920.26
  5. Step 5: Solve for x
    x = 122,992,585,920.26/500,676
  6. Step 6: Final answer
    x = 245,653.05

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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.