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Finding the Fourth Proportional to 372,914.61, 514,608.55 and 227,963.16

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Solution

The fourth proportional to 372,914.61, 514,608.55 and 227,963.16 is: 314,580.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,914.61 : 514,608.55 = 227,963.16 : x
  2. Step 2: Convert to fraction form
    372,914.61/514,608.55 = 227,963.16/x
  3. Step 3: Cross multiply
    372,914.61x = 514,608.55 × 227,963.16
  4. Step 4: Simplify right side
    372,914.61x = 117,311,790,651.11
  5. Step 5: Solve for x
    x = 117,311,790,651.11/372,914.61
  6. Step 6: Final answer
    x = 314,580.84

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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.