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Finding the Fourth Proportional to 354,999.17, 532,075.16 and 204,922.37

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Solution

The fourth proportional to 354,999.17, 532,075.16 and 204,922.37 is: 307,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,999.17 : 532,075.16 = 204,922.37 : x
  2. Step 2: Convert to fraction form
    354,999.17/532,075.16 = 204,922.37/x
  3. Step 3: Cross multiply
    354,999.17x = 532,075.16 × 204,922.37
  4. Step 4: Simplify right side
    354,999.17x = 109,034,104,647.82
  5. Step 5: Solve for x
    x = 109,034,104,647.82/354,999.17
  6. Step 6: Final answer
    x = 307,139.04

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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.