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Finding the Fourth Proportional to 395,736, 546,150.24 and 216,922.56

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Solution

The fourth proportional to 395,736, 546,150.24 and 216,922.56 is: 299,372.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,736 : 546,150.24 = 216,922.56 : x
  2. Step 2: Convert to fraction form
    395,736/546,150.24 = 216,922.56/x
  3. Step 3: Cross multiply
    395,736x = 546,150.24 × 216,922.56
  4. Step 4: Simplify right side
    395,736x = 118,472,308,205.41
  5. Step 5: Solve for x
    x = 118,472,308,205.41/395,736
  6. Step 6: Final answer
    x = 299,372.08

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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.