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Finding the Fourth Proportional to 366,753.32, 505,999.86 and 213,756.44

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Solution

The fourth proportional to 366,753.32, 505,999.86 and 213,756.44 is: 294,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,753.32 : 505,999.86 = 213,756.44 : x
  2. Step 2: Convert to fraction form
    366,753.32/505,999.86 = 213,756.44/x
  3. Step 3: Cross multiply
    366,753.32x = 505,999.86 × 213,756.44
  4. Step 4: Simplify right side
    366,753.32x = 108,160,728,714.10
  5. Step 5: Solve for x
    x = 108,160,728,714.10/366,753.32
  6. Step 6: Final answer
    x = 294,914.11

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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.