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Finding the Fourth Proportional to 564,752,344.52, 779,116,481.90 and 352,691,018.46

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Solution

The fourth proportional to 564,752,344.52, 779,116,481.90 and 352,691,018.46 is: 486,562,629.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,752,344.52 : 779,116,481.90 = 352,691,018.46 : x
  2. Step 2: Convert to fraction form
    564,752,344.52/779,116,481.90 = 352,691,018.46/x
  3. Step 3: Cross multiply
    564,752,344.52x = 779,116,481.90 × 352,691,018.46
  4. Step 4: Simplify right side
    564,752,344.52x = 274,787,385,500,283,136
  5. Step 5: Solve for x
    x = 274,787,385,500,283,136/564,752,344.52
  6. Step 6: Final answer
    x = 486,562,629.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.