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Finding the Fourth Proportional to 288,998.51, 433,534.69 and 111,556.27

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Solution

The fourth proportional to 288,998.51, 433,534.69 and 111,556.27 is: 167,348.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,998.51 : 433,534.69 = 111,556.27 : x
  2. Step 2: Convert to fraction form
    288,998.51/433,534.69 = 111,556.27/x
  3. Step 3: Cross multiply
    288,998.51x = 433,534.69 × 111,556.27
  4. Step 4: Simplify right side
    288,998.51x = 48,363,510,764.33
  5. Step 5: Solve for x
    x = 48,363,510,764.33/288,998.51
  6. Step 6: Final answer
    x = 167,348.65

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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.