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Finding the Fourth Proportional to 331,075.83, 496,611.15 and 219,256.48

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Solution

The fourth proportional to 331,075.83, 496,611.15 and 219,256.48 is: 328,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,075.83 : 496,611.15 = 219,256.48 : x
  2. Step 2: Convert to fraction form
    331,075.83/496,611.15 = 219,256.48/x
  3. Step 3: Cross multiply
    331,075.83x = 496,611.15 × 219,256.48
  4. Step 4: Simplify right side
    331,075.83x = 108,885,212,677.75
  5. Step 5: Solve for x
    x = 108,885,212,677.75/331,075.83
  6. Step 6: Final answer
    x = 328,883.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.