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Finding the Fourth Proportional to 373,159.48, 514,960.50 and 203,393.56

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Solution

The fourth proportional to 373,159.48, 514,960.50 and 203,393.56 is: 280,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,159.48 : 514,960.50 = 203,393.56 : x
  2. Step 2: Convert to fraction form
    373,159.48/514,960.50 = 203,393.56/x
  3. Step 3: Cross multiply
    373,159.48x = 514,960.50 × 203,393.56
  4. Step 4: Simplify right side
    373,159.48x = 104,739,649,354.38
  5. Step 5: Solve for x
    x = 104,739,649,354.38/373,159.48
  6. Step 6: Final answer
    x = 280,683.34

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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.