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Finding the Fourth Proportional to 376,050.42, 518,978.07 and 214,912.26

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Solution

The fourth proportional to 376,050.42, 518,978.07 and 214,912.26 is: 296,595.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,050.42 : 518,978.07 = 214,912.26 : x
  2. Step 2: Convert to fraction form
    376,050.42/518,978.07 = 214,912.26/x
  3. Step 3: Cross multiply
    376,050.42x = 518,978.07 × 214,912.26
  4. Step 4: Simplify right side
    376,050.42x = 111,534,749,914.14
  5. Step 5: Solve for x
    x = 111,534,749,914.14/376,050.42
  6. Step 6: Final answer
    x = 296,595.20

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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.