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Finding the Fourth Proportional to 373,078.38, 514,702.02 and 229,589.31

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Solution

The fourth proportional to 373,078.38, 514,702.02 and 229,589.31 is: 316,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,078.38 : 514,702.02 = 229,589.31 : x
  2. Step 2: Convert to fraction form
    373,078.38/514,702.02 = 229,589.31/x
  3. Step 3: Cross multiply
    373,078.38x = 514,702.02 × 229,589.31
  4. Step 4: Simplify right side
    373,078.38x = 118,170,081,627.41
  5. Step 5: Solve for x
    x = 118,170,081,627.41/373,078.38
  6. Step 6: Final answer
    x = 316,743.31

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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.