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Finding the Fourth Proportional to 365,634.36, 548,002.33 and 205,373.40

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Solution

The fourth proportional to 365,634.36, 548,002.33 and 205,373.40 is: 307,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,634.36 : 548,002.33 = 205,373.40 : x
  2. Step 2: Convert to fraction form
    365,634.36/548,002.33 = 205,373.40/x
  3. Step 3: Cross multiply
    365,634.36x = 548,002.33 × 205,373.40
  4. Step 4: Simplify right side
    365,634.36x = 112,545,101,720.02
  5. Step 5: Solve for x
    x = 112,545,101,720.02/365,634.36
  6. Step 6: Final answer
    x = 307,807.78

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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.