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Finding the Fourth Proportional to 531,968.40, 797,304.60 and 231,814.80

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Solution

The fourth proportional to 531,968.40, 797,304.60 and 231,814.80 is: 347,439.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,968.40 : 797,304.60 = 231,814.80 : x
  2. Step 2: Convert to fraction form
    531,968.40/797,304.60 = 231,814.80/x
  3. Step 3: Cross multiply
    531,968.40x = 797,304.60 × 231,814.80
  4. Step 4: Simplify right side
    531,968.40x = 184,827,006,388.08
  5. Step 5: Solve for x
    x = 184,827,006,388.08/531,968.40
  6. Step 6: Final answer
    x = 347,439.82

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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.