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Finding the Fourth Proportional to 523,633.62, 783,900.37 and 323,309.89

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Solution

The fourth proportional to 523,633.62, 783,900.37 and 323,309.89 is: 484,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,633.62 : 783,900.37 = 323,309.89 : x
  2. Step 2: Convert to fraction form
    523,633.62/783,900.37 = 323,309.89/x
  3. Step 3: Cross multiply
    523,633.62x = 783,900.37 × 323,309.89
  4. Step 4: Simplify right side
    523,633.62x = 253,442,742,395.66
  5. Step 5: Solve for x
    x = 253,442,742,395.66/523,633.62
  6. Step 6: Final answer
    x = 484,007.77

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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.