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Finding the Fourth Proportional to 352,783.48, 486,850.23 and 191,647.75

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Solution

The fourth proportional to 352,783.48, 486,850.23 and 191,647.75 is: 264,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,783.48 : 486,850.23 = 191,647.75 : x
  2. Step 2: Convert to fraction form
    352,783.48/486,850.23 = 191,647.75/x
  3. Step 3: Cross multiply
    352,783.48x = 486,850.23 × 191,647.75
  4. Step 4: Simplify right side
    352,783.48x = 93,303,751,166.48
  5. Step 5: Solve for x
    x = 93,303,751,166.48/352,783.48
  6. Step 6: Final answer
    x = 264,478.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.