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Finding the Fourth Proportional to 362,992.44, 500,725.30 and 217,759.59

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Solution

The fourth proportional to 362,992.44, 500,725.30 and 217,759.59 is: 300,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,992.44 : 500,725.30 = 217,759.59 : x
  2. Step 2: Convert to fraction form
    362,992.44/500,725.30 = 217,759.59/x
  3. Step 3: Cross multiply
    362,992.44x = 500,725.30 × 217,759.59
  4. Step 4: Simplify right side
    362,992.44x = 109,037,736,030.63
  5. Step 5: Solve for x
    x = 109,037,736,030.63/362,992.44
  6. Step 6: Final answer
    x = 300,385.69

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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.