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Finding the Fourth Proportional to 324,051.62, 447,119.64 and 188,006.76

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Solution

The fourth proportional to 324,051.62, 447,119.64 and 188,006.76 is: 259,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,051.62 : 447,119.64 = 188,006.76 : x
  2. Step 2: Convert to fraction form
    324,051.62/447,119.64 = 188,006.76/x
  3. Step 3: Cross multiply
    324,051.62x = 447,119.64 × 188,006.76
  4. Step 4: Simplify right side
    324,051.62x = 84,061,514,848.77
  5. Step 5: Solve for x
    x = 84,061,514,848.77/324,051.62
  6. Step 6: Final answer
    x = 259,407.79

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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.