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Finding the Fourth Proportional to 340,392.90, 510,352.91 and 150,749.92

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Solution

The fourth proportional to 340,392.90, 510,352.91 and 150,749.92 is: 226,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,392.90 : 510,352.91 = 150,749.92 : x
  2. Step 2: Convert to fraction form
    340,392.90/510,352.91 = 150,749.92/x
  3. Step 3: Cross multiply
    340,392.90x = 510,352.91 × 150,749.92
  4. Step 4: Simplify right side
    340,392.90x = 76,935,660,354.27
  5. Step 5: Solve for x
    x = 76,935,660,354.27/340,392.90
  6. Step 6: Final answer
    x = 226,020.17

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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.