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Finding the Fourth Proportional to 366,641.32, 505,853.60 and 230,810.86

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Solution

The fourth proportional to 366,641.32, 505,853.60 and 230,810.86 is: 318,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,641.32 : 505,853.60 = 230,810.86 : x
  2. Step 2: Convert to fraction form
    366,641.32/505,853.60 = 230,810.86/x
  3. Step 3: Cross multiply
    366,641.32x = 505,853.60 × 230,810.86
  4. Step 4: Simplify right side
    366,641.32x = 116,756,504,450.10
  5. Step 5: Solve for x
    x = 116,756,504,450.10/366,641.32
  6. Step 6: Final answer
    x = 318,448.84

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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.