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Finding the Fourth Proportional to 556,672.04, 834,745.62 and 331,974.20

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Solution

The fourth proportional to 556,672.04, 834,745.62 and 331,974.20 is: 497,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,672.04 : 834,745.62 = 331,974.20 : x
  2. Step 2: Convert to fraction form
    556,672.04/834,745.62 = 331,974.20/x
  3. Step 3: Cross multiply
    556,672.04x = 834,745.62 × 331,974.20
  4. Step 4: Simplify right side
    556,672.04x = 277,114,009,403.00
  5. Step 5: Solve for x
    x = 277,114,009,403.00/556,672.04
  6. Step 6: Final answer
    x = 497,804.79

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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.