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Finding the Fourth Proportional to 366,873.60, 550,310.40 and 156,921.60

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Solution

The fourth proportional to 366,873.60, 550,310.40 and 156,921.60 is: 235,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,873.60 : 550,310.40 = 156,921.60 : x
  2. Step 2: Convert to fraction form
    366,873.60/550,310.40 = 156,921.60/x
  3. Step 3: Cross multiply
    366,873.60x = 550,310.40 × 156,921.60
  4. Step 4: Simplify right side
    366,873.60x = 86,355,588,464.64
  5. Step 5: Solve for x
    x = 86,355,588,464.64/366,873.60
  6. Step 6: Final answer
    x = 235,382.40

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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.