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Finding the Fourth Proportional to 326,489.76, 450,599.94 and 183,257.64

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Solution

The fourth proportional to 326,489.76, 450,599.94 and 183,257.64 is: 252,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,489.76 : 450,599.94 = 183,257.64 : x
  2. Step 2: Convert to fraction form
    326,489.76/450,599.94 = 183,257.64/x
  3. Step 3: Cross multiply
    326,489.76x = 450,599.94 × 183,257.64
  4. Step 4: Simplify right side
    326,489.76x = 82,575,881,588.54
  5. Step 5: Solve for x
    x = 82,575,881,588.54/326,489.76
  6. Step 6: Final answer
    x = 252,920.28

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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.