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Finding the Fourth Proportional to 531,941.40, 797,912.10 and 216,624.60

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Solution

The fourth proportional to 531,941.40, 797,912.10 and 216,624.60 is: 324,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,941.40 : 797,912.10 = 216,624.60 : x
  2. Step 2: Convert to fraction form
    531,941.40/797,912.10 = 216,624.60/x
  3. Step 3: Cross multiply
    531,941.40x = 797,912.10 × 216,624.60
  4. Step 4: Simplify right side
    531,941.40x = 172,847,389,497.66
  5. Step 5: Solve for x
    x = 172,847,389,497.66/531,941.40
  6. Step 6: Final answer
    x = 324,936.90

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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.