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Finding the Fourth Proportional to 366,904.38, 550,297.50 and 100,603.08

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Solution

The fourth proportional to 366,904.38, 550,297.50 and 100,603.08 is: 150,888.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,904.38 : 550,297.50 = 100,603.08 : x
  2. Step 2: Convert to fraction form
    366,904.38/550,297.50 = 100,603.08/x
  3. Step 3: Cross multiply
    366,904.38x = 550,297.50 × 100,603.08
  4. Step 4: Simplify right side
    366,904.38x = 55,361,623,416.30
  5. Step 5: Solve for x
    x = 55,361,623,416.30/366,904.38
  6. Step 6: Final answer
    x = 150,888.42

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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.