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Finding the Fourth Proportional to 567,394.77, 851,286.59 and 193,680.21

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Solution

The fourth proportional to 567,394.77, 851,286.59 and 193,680.21 is: 290,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,394.77 : 851,286.59 = 193,680.21 : x
  2. Step 2: Convert to fraction form
    567,394.77/851,286.59 = 193,680.21/x
  3. Step 3: Cross multiply
    567,394.77x = 851,286.59 × 193,680.21
  4. Step 4: Simplify right side
    567,394.77x = 164,877,364,552.98
  5. Step 5: Solve for x
    x = 164,877,364,552.98/567,394.77
  6. Step 6: Final answer
    x = 290,586.68

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.