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Finding the Fourth Proportional to 375,321.96, 517,815.63 and 214,061.04

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Solution

The fourth proportional to 375,321.96, 517,815.63 and 214,061.04 is: 295,330.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,321.96 : 517,815.63 = 214,061.04 : x
  2. Step 2: Convert to fraction form
    375,321.96/517,815.63 = 214,061.04/x
  3. Step 3: Cross multiply
    375,321.96x = 517,815.63 × 214,061.04
  4. Step 4: Simplify right side
    375,321.96x = 110,844,152,286.06
  5. Step 5: Solve for x
    x = 110,844,152,286.06/375,321.96
  6. Step 6: Final answer
    x = 295,330.85

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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.