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Finding the Fourth Proportional to 375,362.40, 517,994.26 and 214,213.30

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Solution

The fourth proportional to 375,362.40, 517,994.26 and 214,213.30 is: 295,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,362.40 : 517,994.26 = 214,213.30 : x
  2. Step 2: Convert to fraction form
    375,362.40/517,994.26 = 214,213.30/x
  3. Step 3: Cross multiply
    375,362.40x = 517,994.26 × 214,213.30
  4. Step 4: Simplify right side
    375,362.40x = 110,961,259,815.66
  5. Step 5: Solve for x
    x = 110,961,259,815.66/375,362.40
  6. Step 6: Final answer
    x = 295,611.01

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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.