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Finding the Fourth Proportional to 650,655.20, 976,142.80 and 224,197.60

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Solution

The fourth proportional to 650,655.20, 976,142.80 and 224,197.60 is: 336,351.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,655.20 : 976,142.80 = 224,197.60 : x
  2. Step 2: Convert to fraction form
    650,655.20/976,142.80 = 224,197.60/x
  3. Step 3: Cross multiply
    650,655.20x = 976,142.80 × 224,197.60
  4. Step 4: Simplify right side
    650,655.20x = 218,848,873,017.28
  5. Step 5: Solve for x
    x = 218,848,873,017.28/650,655.20
  6. Step 6: Final answer
    x = 336,351.53

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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.