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Finding the Fourth Proportional to 294,812.70, 406,842.90 and 167,495.28

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Solution

The fourth proportional to 294,812.70, 406,842.90 and 167,495.28 is: 231,144.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,812.70 : 406,842.90 = 167,495.28 : x
  2. Step 2: Convert to fraction form
    294,812.70/406,842.90 = 167,495.28/x
  3. Step 3: Cross multiply
    294,812.70x = 406,842.90 × 167,495.28
  4. Step 4: Simplify right side
    294,812.70x = 68,144,265,451.51
  5. Step 5: Solve for x
    x = 68,144,265,451.51/294,812.70
  6. Step 6: Final answer
    x = 231,144.27

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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.