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Finding the Fourth Proportional to 550,573.20, 825,859.80 and 195,623.10

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Solution

The fourth proportional to 550,573.20, 825,859.80 and 195,623.10 is: 293,434.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,573.20 : 825,859.80 = 195,623.10 : x
  2. Step 2: Convert to fraction form
    550,573.20/825,859.80 = 195,623.10/x
  3. Step 3: Cross multiply
    550,573.20x = 825,859.80 × 195,623.10
  4. Step 4: Simplify right side
    550,573.20x = 161,557,254,241.38
  5. Step 5: Solve for x
    x = 161,557,254,241.38/550,573.20
  6. Step 6: Final answer
    x = 293,434.65

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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.