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Finding the Fourth Proportional to 610,416,712.60, 855,731,310.20 and 610,416,712.60

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Solution

The fourth proportional to 610,416,712.60, 855,731,310.20 and 610,416,712.60 is: 855,731,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,416,712.60 : 855,731,310.20 = 610,416,712.60 : x
  2. Step 2: Convert to fraction form
    610,416,712.60/855,731,310.20 = 610,416,712.60/x
  3. Step 3: Cross multiply
    610,416,712.60x = 855,731,310.20 × 610,416,712.60
  4. Step 4: Simplify right side
    610,416,712.60x = 522,352,693,241,174,912
  5. Step 5: Solve for x
    x = 522,352,693,241,174,912/610,416,712.60
  6. Step 6: Final answer
    x = 855,731,310.20

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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.