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Finding the Fourth Proportional to 521,696.40, 731,949.60 and 521,696.40

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Solution

The fourth proportional to 521,696.40, 731,949.60 and 521,696.40 is: 731,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,696.40 : 731,949.60 = 521,696.40 : x
  2. Step 2: Convert to fraction form
    521,696.40/731,949.60 = 521,696.40/x
  3. Step 3: Cross multiply
    521,696.40x = 731,949.60 × 521,696.40
  4. Step 4: Simplify right side
    521,696.40x = 381,855,471,301.44
  5. Step 5: Solve for x
    x = 381,855,471,301.44/521,696.40
  6. Step 6: Final answer
    x = 731,949.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.