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Finding the Fourth Proportional to 241,991.80, 362,987.70 and 206,999.80

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Solution

The fourth proportional to 241,991.80, 362,987.70 and 206,999.80 is: 310,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,991.80 : 362,987.70 = 206,999.80 : x
  2. Step 2: Convert to fraction form
    241,991.80/362,987.70 = 206,999.80/x
  3. Step 3: Cross multiply
    241,991.80x = 362,987.70 × 206,999.80
  4. Step 4: Simplify right side
    241,991.80x = 75,138,381,302.46
  5. Step 5: Solve for x
    x = 75,138,381,302.46/241,991.80
  6. Step 6: Final answer
    x = 310,499.70

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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.