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Finding the Fourth Proportional to 269,232.80, 403,816.80 and 111,444.80

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Solution

The fourth proportional to 269,232.80, 403,816.80 and 111,444.80 is: 167,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,232.80 : 403,816.80 = 111,444.80 : x
  2. Step 2: Convert to fraction form
    269,232.80/403,816.80 = 111,444.80/x
  3. Step 3: Cross multiply
    269,232.80x = 403,816.80 × 111,444.80
  4. Step 4: Simplify right side
    269,232.80x = 45,003,282,512.64
  5. Step 5: Solve for x
    x = 45,003,282,512.64/269,232.80
  6. Step 6: Final answer
    x = 167,153.79

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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.