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Finding the Fourth Proportional to 496,910.90, 745,366.35 and 164,443.70

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Solution

The fourth proportional to 496,910.90, 745,366.35 and 164,443.70 is: 246,665.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,910.90 : 745,366.35 = 164,443.70 : x
  2. Step 2: Convert to fraction form
    496,910.90/745,366.35 = 164,443.70/x
  3. Step 3: Cross multiply
    496,910.90x = 745,366.35 × 164,443.70
  4. Step 4: Simplify right side
    496,910.90x = 122,570,800,449.50
  5. Step 5: Solve for x
    x = 122,570,800,449.50/496,910.90
  6. Step 6: Final answer
    x = 246,665.55

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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.