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Finding the Fourth Proportional to 323,802.59, 485,409.83 and 113,325.71

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Solution

The fourth proportional to 323,802.59, 485,409.83 and 113,325.71 is: 169,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,802.59 : 485,409.83 = 113,325.71 : x
  2. Step 2: Convert to fraction form
    323,802.59/485,409.83 = 113,325.71/x
  3. Step 3: Cross multiply
    323,802.59x = 485,409.83 × 113,325.71
  4. Step 4: Simplify right side
    323,802.59x = 55,009,411,198.68
  5. Step 5: Solve for x
    x = 55,009,411,198.68/323,802.59
  6. Step 6: Final answer
    x = 169,885.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.