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Finding the Fourth Proportional to 323,039.63, 445,809.38 and 179,808.74

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Solution

The fourth proportional to 323,039.63, 445,809.38 and 179,808.74 is: 248,144.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,039.63 : 445,809.38 = 179,808.74 : x
  2. Step 2: Convert to fraction form
    323,039.63/445,809.38 = 179,808.74/x
  3. Step 3: Cross multiply
    323,039.63x = 445,809.38 × 179,808.74
  4. Step 4: Simplify right side
    323,039.63x = 80,160,422,897.98
  5. Step 5: Solve for x
    x = 80,160,422,897.98/323,039.63
  6. Step 6: Final answer
    x = 248,144.24

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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.