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Finding the Fourth Proportional to 366,626.77, 549,940.61 and 100,389.59

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Solution

The fourth proportional to 366,626.77, 549,940.61 and 100,389.59 is: 150,584.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,626.77 : 549,940.61 = 100,389.59 : x
  2. Step 2: Convert to fraction form
    366,626.77/549,940.61 = 100,389.59/x
  3. Step 3: Cross multiply
    366,626.77x = 549,940.61 × 100,389.59
  4. Step 4: Simplify right side
    366,626.77x = 55,208,312,362.25
  5. Step 5: Solve for x
    x = 55,208,312,362.25/366,626.77
  6. Step 6: Final answer
    x = 150,584.51

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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.