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Finding the Fourth Proportional to 496,658.10, 744,987.15 and 164,234.10

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Solution

The fourth proportional to 496,658.10, 744,987.15 and 164,234.10 is: 246,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,658.10 : 744,987.15 = 164,234.10 : x
  2. Step 2: Convert to fraction form
    496,658.10/744,987.15 = 164,234.10/x
  3. Step 3: Cross multiply
    496,658.10x = 744,987.15 × 164,234.10
  4. Step 4: Simplify right side
    496,658.10x = 122,352,294,091.82
  5. Step 5: Solve for x
    x = 122,352,294,091.82/496,658.10
  6. Step 6: Final answer
    x = 246,351.15

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Similar ratio
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1.5x scale

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.