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Finding the Fourth Proportional to 351,287.33, 484,646.83 and 230,495.67

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Solution

The fourth proportional to 351,287.33, 484,646.83 and 230,495.67 is: 317,998.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,287.33 : 484,646.83 = 230,495.67 : x
  2. Step 2: Convert to fraction form
    351,287.33/484,646.83 = 230,495.67/x
  3. Step 3: Cross multiply
    351,287.33x = 484,646.83 × 230,495.67
  4. Step 4: Simplify right side
    351,287.33x = 111,708,995,217.99
  5. Step 5: Solve for x
    x = 111,708,995,217.99/351,287.33
  6. Step 6: Final answer
    x = 317,998.93

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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.