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Finding the Fourth Proportional to 324,645.73, 448,009.98 and 181,405.77

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Solution

The fourth proportional to 324,645.73, 448,009.98 and 181,405.77 is: 250,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,645.73 : 448,009.98 = 181,405.77 : x
  2. Step 2: Convert to fraction form
    324,645.73/448,009.98 = 181,405.77/x
  3. Step 3: Cross multiply
    324,645.73x = 448,009.98 × 181,405.77
  4. Step 4: Simplify right side
    324,645.73x = 81,271,595,389.58
  5. Step 5: Solve for x
    x = 81,271,595,389.58/324,645.73
  6. Step 6: Final answer
    x = 250,339.33

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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.