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Finding the Fourth Proportional to 373,169.16, 514,973.54 and 203,403.24

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Solution

The fourth proportional to 373,169.16, 514,973.54 and 203,403.24 is: 280,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,169.16 : 514,973.54 = 203,403.24 : x
  2. Step 2: Convert to fraction form
    373,169.16/514,973.54 = 203,403.24/x
  3. Step 3: Cross multiply
    373,169.16x = 514,973.54 × 203,403.24
  4. Step 4: Simplify right side
    373,169.16x = 104,747,286,550.27
  5. Step 5: Solve for x
    x = 104,747,286,550.27/373,169.16
  6. Step 6: Final answer
    x = 280,696.53

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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.