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Finding the Fourth Proportional to 365,954.78, 548,510.96 and 141,215.83

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Solution

The fourth proportional to 365,954.78, 548,510.96 and 141,215.83 is: 211,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,954.78 : 548,510.96 = 141,215.83 : x
  2. Step 2: Convert to fraction form
    365,954.78/548,510.96 = 141,215.83/x
  3. Step 3: Cross multiply
    365,954.78x = 548,510.96 × 141,215.83
  4. Step 4: Simplify right side
    365,954.78x = 77,458,429,462.26
  5. Step 5: Solve for x
    x = 77,458,429,462.26/365,954.78
  6. Step 6: Final answer
    x = 211,661.20

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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.