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Finding the Fourth Proportional to 352,021.60, 494,074.40 and 352,021.60

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Solution

The fourth proportional to 352,021.60, 494,074.40 and 352,021.60 is: 494,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,021.60 : 494,074.40 = 352,021.60 : x
  2. Step 2: Convert to fraction form
    352,021.60/494,074.40 = 352,021.60/x
  3. Step 3: Cross multiply
    352,021.60x = 494,074.40 × 352,021.60
  4. Step 4: Simplify right side
    352,021.60x = 173,924,860,807.04
  5. Step 5: Solve for x
    x = 173,924,860,807.04/352,021.60
  6. Step 6: Final answer
    x = 494,074.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.