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Finding the Fourth Proportional to 375,400.17, 518,060.59 and 214,251.98

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Solution

The fourth proportional to 375,400.17, 518,060.59 and 214,251.98 is: 295,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,400.17 : 518,060.59 = 214,251.98 : x
  2. Step 2: Convert to fraction form
    375,400.17/518,060.59 = 214,251.98/x
  3. Step 3: Cross multiply
    375,400.17x = 518,060.59 × 214,251.98
  4. Step 4: Simplify right side
    375,400.17x = 110,995,507,167.47
  5. Step 5: Solve for x
    x = 110,995,507,167.47/375,400.17
  6. Step 6: Final answer
    x = 295,672.51

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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.