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Finding the Fourth Proportional to 500,952.64, 751,428.40 and 121,871.04

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Solution

The fourth proportional to 500,952.64, 751,428.40 and 121,871.04 is: 182,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,952.64 : 751,428.40 = 121,871.04 : x
  2. Step 2: Convert to fraction form
    500,952.64/751,428.40 = 121,871.04/x
  3. Step 3: Cross multiply
    500,952.64x = 751,428.40 × 121,871.04
  4. Step 4: Simplify right side
    500,952.64x = 91,577,360,593.54
  5. Step 5: Solve for x
    x = 91,577,360,593.54/500,952.64
  6. Step 6: Final answer
    x = 182,806.42

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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.