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Finding the Fourth Proportional to 288,768.06, 433,225.89 and 111,227.40

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Solution

The fourth proportional to 288,768.06, 433,225.89 and 111,227.40 is: 166,869.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,768.06 : 433,225.89 = 111,227.40 : x
  2. Step 2: Convert to fraction form
    288,768.06/433,225.89 = 111,227.40/x
  3. Step 3: Cross multiply
    288,768.06x = 433,225.89 × 111,227.40
  4. Step 4: Simplify right side
    288,768.06x = 48,186,589,357.39
  5. Step 5: Solve for x
    x = 48,186,589,357.39/288,768.06
  6. Step 6: Final answer
    x = 166,869.53

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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.