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Finding the Fourth Proportional to 366,013.22, 549,114.49 and 214,338.39

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Solution

The fourth proportional to 366,013.22, 549,114.49 and 214,338.39 is: 321,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,013.22 : 549,114.49 = 214,338.39 : x
  2. Step 2: Convert to fraction form
    366,013.22/549,114.49 = 214,338.39/x
  3. Step 3: Cross multiply
    366,013.22x = 549,114.49 × 214,338.39
  4. Step 4: Simplify right side
    366,013.22x = 117,696,315,712.27
  5. Step 5: Solve for x
    x = 117,696,315,712.27/366,013.22
  6. Step 6: Final answer
    x = 321,563.02

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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.