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Finding the Fourth Proportional to 290,889.52, 436,226.22 and 101,301.20

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Solution

The fourth proportional to 290,889.52, 436,226.22 and 101,301.20 is: 151,914.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,889.52 : 436,226.22 = 101,301.20 : x
  2. Step 2: Convert to fraction form
    290,889.52/436,226.22 = 101,301.20/x
  3. Step 3: Cross multiply
    290,889.52x = 436,226.22 × 101,301.20
  4. Step 4: Simplify right side
    290,889.52x = 44,190,239,557.46
  5. Step 5: Solve for x
    x = 44,190,239,557.46/290,889.52
  6. Step 6: Final answer
    x = 151,914.17

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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.