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Finding the Fourth Proportional to 290,010.40, 436,052.40 and 244,391.20

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Solution

The fourth proportional to 290,010.40, 436,052.40 and 244,391.20 is: 367,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,010.40 : 436,052.40 = 244,391.20 : x
  2. Step 2: Convert to fraction form
    290,010.40/436,052.40 = 244,391.20/x
  3. Step 3: Cross multiply
    290,010.40x = 436,052.40 × 244,391.20
  4. Step 4: Simplify right side
    290,010.40x = 106,567,369,298.88
  5. Step 5: Solve for x
    x = 106,567,369,298.88/290,010.40
  6. Step 6: Final answer
    x = 367,460.51

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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.