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Finding the Fourth Proportional to 375,859.08, 518,653.26 and 214,682.04

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Solution

The fourth proportional to 375,859.08, 518,653.26 and 214,682.04 is: 296,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,859.08 : 518,653.26 = 214,682.04 : x
  2. Step 2: Convert to fraction form
    375,859.08/518,653.26 = 214,682.04/x
  3. Step 3: Cross multiply
    375,859.08x = 518,653.26 × 214,682.04
  4. Step 4: Simplify right side
    375,859.08x = 111,345,539,909.45
  5. Step 5: Solve for x
    x = 111,345,539,909.45/375,859.08
  6. Step 6: Final answer
    x = 296,242.78

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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.