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Finding the Fourth Proportional to 482,930.28, 724,231.40 and 167,313.51

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Solution

The fourth proportional to 482,930.28, 724,231.40 and 167,313.51 is: 250,913.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,930.28 : 724,231.40 = 167,313.51 : x
  2. Step 2: Convert to fraction form
    482,930.28/724,231.40 = 167,313.51/x
  3. Step 3: Cross multiply
    482,930.28x = 724,231.40 × 167,313.51
  4. Step 4: Simplify right side
    482,930.28x = 121,173,696,749.65
  5. Step 5: Solve for x
    x = 121,173,696,749.65/482,930.28
  6. Step 6: Final answer
    x = 250,913.44

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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.