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Finding the Fourth Proportional to 333,396.90, 500,147.28 and 108,705.24

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Solution

The fourth proportional to 333,396.90, 500,147.28 and 108,705.24 is: 163,074.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,396.90 : 500,147.28 = 108,705.24 : x
  2. Step 2: Convert to fraction form
    333,396.90/500,147.28 = 108,705.24/x
  3. Step 3: Cross multiply
    333,396.90x = 500,147.28 × 108,705.24
  4. Step 4: Simplify right side
    333,396.90x = 54,368,630,107.75
  5. Step 5: Solve for x
    x = 54,368,630,107.75/333,396.90
  6. Step 6: Final answer
    x = 163,074.79

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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.