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Finding the Fourth Proportional to 372,418.47, 558,904.86 and 182,980.53

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Solution

The fourth proportional to 372,418.47, 558,904.86 and 182,980.53 is: 274,606.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,418.47 : 558,904.86 = 182,980.53 : x
  2. Step 2: Convert to fraction form
    372,418.47/558,904.86 = 182,980.53/x
  3. Step 3: Cross multiply
    372,418.47x = 558,904.86 × 182,980.53
  4. Step 4: Simplify right side
    372,418.47x = 102,268,707,502.38
  5. Step 5: Solve for x
    x = 102,268,707,502.38/372,418.47
  6. Step 6: Final answer
    x = 274,606.97

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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.