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Finding the Fourth Proportional to 496,620.40, 744,930.60 and 297,554.80

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Solution

The fourth proportional to 496,620.40, 744,930.60 and 297,554.80 is: 446,332.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,620.40 : 744,930.60 = 297,554.80 : x
  2. Step 2: Convert to fraction form
    496,620.40/744,930.60 = 297,554.80/x
  3. Step 3: Cross multiply
    496,620.40x = 744,930.60 × 297,554.80
  4. Step 4: Simplify right side
    496,620.40x = 221,657,675,696.88
  5. Step 5: Solve for x
    x = 221,657,675,696.88/496,620.40
  6. Step 6: Final answer
    x = 446,332.20

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Similar ratio
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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.