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Finding the Fourth Proportional to 500,886.59, 751,049.01 and 216,399.60

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Solution

The fourth proportional to 500,886.59, 751,049.01 and 216,399.60 is: 324,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,886.59 : 751,049.01 = 216,399.60 : x
  2. Step 2: Convert to fraction form
    500,886.59/751,049.01 = 216,399.60/x
  3. Step 3: Cross multiply
    500,886.59x = 751,049.01 × 216,399.60
  4. Step 4: Simplify right side
    500,886.59x = 162,526,705,344.40
  5. Step 5: Solve for x
    x = 162,526,705,344.40/500,886.59
  6. Step 6: Final answer
    x = 324,478.06

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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.