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Finding the Fourth Proportional to 395,474.58, 545,752.22 and 214,182.38

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Solution

The fourth proportional to 395,474.58, 545,752.22 and 214,182.38 is: 295,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,474.58 : 545,752.22 = 214,182.38 : x
  2. Step 2: Convert to fraction form
    395,474.58/545,752.22 = 214,182.38/x
  3. Step 3: Cross multiply
    395,474.58x = 545,752.22 × 214,182.38
  4. Step 4: Simplify right side
    395,474.58x = 116,890,505,570.21
  5. Step 5: Solve for x
    x = 116,890,505,570.21/395,474.58
  6. Step 6: Final answer
    x = 295,570.21

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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.