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Finding the Fourth Proportional to 500,544.92, 750,811 and 121,468.76

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Solution

The fourth proportional to 500,544.92, 750,811 and 121,468.76 is: 182,201.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,544.92 : 750,811 = 121,468.76 : x
  2. Step 2: Convert to fraction form
    500,544.92/750,811 = 121,468.76/x
  3. Step 3: Cross multiply
    500,544.92x = 750,811 × 121,468.76
  4. Step 4: Simplify right side
    500,544.92x = 91,200,081,164.36
  5. Step 5: Solve for x
    x = 91,200,081,164.36/500,544.92
  6. Step 6: Final answer
    x = 182,201.59

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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.