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Finding the Fourth Proportional to 303,419.72, 418,632.90 and 182,500.52

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Solution

The fourth proportional to 303,419.72, 418,632.90 and 182,500.52 is: 251,798.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,419.72 : 418,632.90 = 182,500.52 : x
  2. Step 2: Convert to fraction form
    303,419.72/418,632.90 = 182,500.52/x
  3. Step 3: Cross multiply
    303,419.72x = 418,632.90 × 182,500.52
  4. Step 4: Simplify right side
    303,419.72x = 76,400,721,939.11
  5. Step 5: Solve for x
    x = 76,400,721,939.11/303,419.72
  6. Step 6: Final answer
    x = 251,798.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.