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Finding the Fourth Proportional to 492,603.98, 738,676.32 and 255,883.10

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Solution

The fourth proportional to 492,603.98, 738,676.32 and 255,883.10 is: 383,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,603.98 : 738,676.32 = 255,883.10 : x
  2. Step 2: Convert to fraction form
    492,603.98/738,676.32 = 255,883.10/x
  3. Step 3: Cross multiply
    492,603.98x = 738,676.32 × 255,883.10
  4. Step 4: Simplify right side
    492,603.98x = 189,014,786,658.19
  5. Step 5: Solve for x
    x = 189,014,786,658.19/492,603.98
  6. Step 6: Final answer
    x = 383,705.36

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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.