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Finding the Fourth Proportional to 564,752,351.34, 779,116,491.32 and 352,691,025.26

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Solution

The fourth proportional to 564,752,351.34, 779,116,491.32 and 352,691,025.26 is: 486,562,638.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,752,351.34 : 779,116,491.32 = 352,691,025.26 : x
  2. Step 2: Convert to fraction form
    564,752,351.34/779,116,491.32 = 352,691,025.26/x
  3. Step 3: Cross multiply
    564,752,351.34x = 779,116,491.32 × 352,691,025.26
  4. Step 4: Simplify right side
    564,752,351.34x = 274,787,394,114,965,664
  5. Step 5: Solve for x
    x = 274,787,394,114,965,664/564,752,351.34
  6. Step 6: Final answer
    x = 486,562,638.41

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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.