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Finding the Fourth Proportional to 297,980.93, 411,200.31 and 168,917.55

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Solution

The fourth proportional to 297,980.93, 411,200.31 and 168,917.55 is: 233,098.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,980.93 : 411,200.31 = 168,917.55 : x
  2. Step 2: Convert to fraction form
    297,980.93/411,200.31 = 168,917.55/x
  3. Step 3: Cross multiply
    297,980.93x = 411,200.31 × 168,917.55
  4. Step 4: Simplify right side
    297,980.93x = 69,458,948,924.44
  5. Step 5: Solve for x
    x = 69,458,948,924.44/297,980.93
  6. Step 6: Final answer
    x = 233,098.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.