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Finding the Fourth Proportional to 496,546.80, 744,820.20 and 122,569.80

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Solution

The fourth proportional to 496,546.80, 744,820.20 and 122,569.80 is: 183,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,546.80 : 744,820.20 = 122,569.80 : x
  2. Step 2: Convert to fraction form
    496,546.80/744,820.20 = 122,569.80/x
  3. Step 3: Cross multiply
    496,546.80x = 744,820.20 × 122,569.80
  4. Step 4: Simplify right side
    496,546.80x = 91,292,462,949.96
  5. Step 5: Solve for x
    x = 91,292,462,949.96/496,546.80
  6. Step 6: Final answer
    x = 183,854.70

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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.