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Finding the Fourth Proportional to 650,885.40, 976,139.58 and 195,458.27

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Solution

The fourth proportional to 650,885.40, 976,139.58 and 195,458.27 is: 293,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,885.40 : 976,139.58 = 195,458.27 : x
  2. Step 2: Convert to fraction form
    650,885.40/976,139.58 = 195,458.27/x
  3. Step 3: Cross multiply
    650,885.40x = 976,139.58 × 195,458.27
  4. Step 4: Simplify right side
    650,885.40x = 190,794,548,887.87
  5. Step 5: Solve for x
    x = 190,794,548,887.87/650,885.40
  6. Step 6: Final answer
    x = 293,130.79

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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.