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Finding the Fourth Proportional to 375,326.96, 517,822.53 and 214,066.04

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Solution

The fourth proportional to 375,326.96, 517,822.53 and 214,066.04 is: 295,337.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,326.96 : 517,822.53 = 214,066.04 : x
  2. Step 2: Convert to fraction form
    375,326.96/517,822.53 = 214,066.04/x
  3. Step 3: Cross multiply
    375,326.96x = 517,822.53 × 214,066.04
  4. Step 4: Simplify right side
    375,326.96x = 110,848,218,419.88
  5. Step 5: Solve for x
    x = 110,848,218,419.88/375,326.96
  6. Step 6: Final answer
    x = 295,337.75

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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.