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Finding the Fourth Proportional to 324,689.95, 448,070.83 and 181,449.96

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Solution

The fourth proportional to 324,689.95, 448,070.83 and 181,449.96 is: 250,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,689.95 : 448,070.83 = 181,449.96 : x
  2. Step 2: Convert to fraction form
    324,689.95/448,070.83 = 181,449.96/x
  3. Step 3: Cross multiply
    324,689.95x = 448,070.83 × 181,449.96
  4. Step 4: Simplify right side
    324,689.95x = 81,302,434,180.67
  5. Step 5: Solve for x
    x = 81,302,434,180.67/324,689.95
  6. Step 6: Final answer
    x = 250,400.22

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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.