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Finding the Fourth Proportional to 366,840.60, 506,245.40 and 213,874.52

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Solution

The fourth proportional to 366,840.60, 506,245.40 and 213,874.52 is: 295,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,840.60 : 506,245.40 = 213,874.52 : x
  2. Step 2: Convert to fraction form
    366,840.60/506,245.40 = 213,874.52/x
  3. Step 3: Cross multiply
    366,840.60x = 506,245.40 × 213,874.52
  4. Step 4: Simplify right side
    366,840.60x = 108,272,991,927.21
  5. Step 5: Solve for x
    x = 108,272,991,927.21/366,840.60
  6. Step 6: Final answer
    x = 295,149.97

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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.