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Finding the Fourth Proportional to 366,917.80, 549,858.30 and 271,402.60

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Solution

The fourth proportional to 366,917.80, 549,858.30 and 271,402.60 is: 406,720.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,917.80 : 549,858.30 = 271,402.60 : x
  2. Step 2: Convert to fraction form
    366,917.80/549,858.30 = 271,402.60/x
  3. Step 3: Cross multiply
    366,917.80x = 549,858.30 × 271,402.60
  4. Step 4: Simplify right side
    366,917.80x = 149,232,972,251.58
  5. Step 5: Solve for x
    x = 149,232,972,251.58/366,917.80
  6. Step 6: Final answer
    x = 406,720.45

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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.