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Finding the Fourth Proportional to 340,365.88, 510,231.67 and 115,572.57

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Solution

The fourth proportional to 340,365.88, 510,231.67 and 115,572.57 is: 173,251.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,365.88 : 510,231.67 = 115,572.57 : x
  2. Step 2: Convert to fraction form
    340,365.88/510,231.67 = 115,572.57/x
  3. Step 3: Cross multiply
    340,365.88x = 510,231.67 × 115,572.57
  4. Step 4: Simplify right side
    340,365.88x = 58,968,786,715.14
  5. Step 5: Solve for x
    x = 58,968,786,715.14/340,365.88
  6. Step 6: Final answer
    x = 173,251.17

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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.