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Finding the Fourth Proportional to 373,191.75, 514,986 and 212,025.51

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Solution

The fourth proportional to 373,191.75, 514,986 and 212,025.51 is: 292,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,191.75 : 514,986 = 212,025.51 : x
  2. Step 2: Convert to fraction form
    373,191.75/514,986 = 212,025.51/x
  3. Step 3: Cross multiply
    373,191.75x = 514,986 × 212,025.51
  4. Step 4: Simplify right side
    373,191.75x = 109,190,169,292.86
  5. Step 5: Solve for x
    x = 109,190,169,292.86/373,191.75
  6. Step 6: Final answer
    x = 292,584.63

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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.