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Finding the Fourth Proportional to 496,936.10, 745,404.15 and 164,512.10

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Solution

The fourth proportional to 496,936.10, 745,404.15 and 164,512.10 is: 246,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,936.10 : 745,404.15 = 164,512.10 : x
  2. Step 2: Convert to fraction form
    496,936.10/745,404.15 = 164,512.10/x
  3. Step 3: Cross multiply
    496,936.10x = 745,404.15 × 164,512.10
  4. Step 4: Simplify right side
    496,936.10x = 122,628,002,065.22
  5. Step 5: Solve for x
    x = 122,628,002,065.22/496,936.10
  6. Step 6: Final answer
    x = 246,768.15

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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.