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Finding the Fourth Proportional to 324,719.79, 448,113.95 and 181,479.83

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Solution

The fourth proportional to 324,719.79, 448,113.95 and 181,479.83 is: 250,442.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,719.79 : 448,113.95 = 181,479.83 : x
  2. Step 2: Convert to fraction form
    324,719.79/448,113.95 = 181,479.83/x
  3. Step 3: Cross multiply
    324,719.79x = 448,113.95 × 181,479.83
  4. Step 4: Simplify right side
    324,719.79x = 81,323,642,020.03
  5. Step 5: Solve for x
    x = 81,323,642,020.03/324,719.79
  6. Step 6: Final answer
    x = 250,442.52

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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.