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Finding the Fourth Proportional to 496,851.30, 745,276.95 and 122,874.30

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Solution

The fourth proportional to 496,851.30, 745,276.95 and 122,874.30 is: 184,311.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,851.30 : 745,276.95 = 122,874.30 : x
  2. Step 2: Convert to fraction form
    496,851.30/745,276.95 = 122,874.30/x
  3. Step 3: Cross multiply
    496,851.30x = 745,276.95 × 122,874.30
  4. Step 4: Simplify right side
    496,851.30x = 91,575,383,537.39
  5. Step 5: Solve for x
    x = 91,575,383,537.39/496,851.30
  6. Step 6: Final answer
    x = 184,311.45

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Similar ratio
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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.