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Finding the Fourth Proportional to 496,922.40, 745,383.60 and 164,498.40

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Solution

The fourth proportional to 496,922.40, 745,383.60 and 164,498.40 is: 246,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,922.40 : 745,383.60 = 164,498.40 : x
  2. Step 2: Convert to fraction form
    496,922.40/745,383.60 = 164,498.40/x
  3. Step 3: Cross multiply
    496,922.40x = 745,383.60 × 164,498.40
  4. Step 4: Simplify right side
    496,922.40x = 122,614,409,586.24
  5. Step 5: Solve for x
    x = 122,614,409,586.24/496,922.40
  6. Step 6: Final answer
    x = 246,747.60

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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.