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Finding the Fourth Proportional to 500,552.38, 750,822.31 and 121,476.25

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Solution

The fourth proportional to 500,552.38, 750,822.31 and 121,476.25 is: 182,212.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,552.38 : 750,822.31 = 121,476.25 : x
  2. Step 2: Convert to fraction form
    500,552.38/750,822.31 = 121,476.25/x
  3. Step 3: Cross multiply
    500,552.38x = 750,822.31 × 121,476.25
  4. Step 4: Simplify right side
    500,552.38x = 91,207,078,635.14
  5. Step 5: Solve for x
    x = 91,207,078,635.14/500,552.38
  6. Step 6: Final answer
    x = 182,212.86

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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.