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Finding the Fourth Proportional to 372,879.35, 514,558.95 and 227,927.81

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Solution

The fourth proportional to 372,879.35, 514,558.95 and 227,927.81 is: 314,531.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,879.35 : 514,558.95 = 227,927.81 : x
  2. Step 2: Convert to fraction form
    372,879.35/514,558.95 = 227,927.81/x
  3. Step 3: Cross multiply
    372,879.35x = 514,558.95 × 227,927.81
  4. Step 4: Simplify right side
    372,879.35x = 117,282,292,016.61
  5. Step 5: Solve for x
    x = 117,282,292,016.61/372,879.35
  6. Step 6: Final answer
    x = 314,531.48

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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.