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Finding the Fourth Proportional to 344,136.96, 516,004.40 and 133,528.88

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Solution

The fourth proportional to 344,136.96, 516,004.40 and 133,528.88 is: 200,215.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,136.96 : 516,004.40 = 133,528.88 : x
  2. Step 2: Convert to fraction form
    344,136.96/516,004.40 = 133,528.88/x
  3. Step 3: Cross multiply
    344,136.96x = 516,004.40 × 133,528.88
  4. Step 4: Simplify right side
    344,136.96x = 68,901,489,607.07
  5. Step 5: Solve for x
    x = 68,901,489,607.07/344,136.96
  6. Step 6: Final answer
    x = 200,215.31

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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.