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Finding the Fourth Proportional to 352,259.98, 486,119.64 and 191,114.98

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Solution

The fourth proportional to 352,259.98, 486,119.64 and 191,114.98 is: 263,739.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,259.98 : 486,119.64 = 191,114.98 : x
  2. Step 2: Convert to fraction form
    352,259.98/486,119.64 = 191,114.98/x
  3. Step 3: Cross multiply
    352,259.98x = 486,119.64 × 191,114.98
  4. Step 4: Simplify right side
    352,259.98x = 92,904,747,512.01
  5. Step 5: Solve for x
    x = 92,904,747,512.01/352,259.98
  6. Step 6: Final answer
    x = 263,739.15

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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.