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Finding the Fourth Proportional to 564,752,340.51, 779,116,476.39 and 352,691,014.44

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Solution

The fourth proportional to 564,752,340.51, 779,116,476.39 and 352,691,014.44 is: 486,562,623.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,752,340.51 : 779,116,476.39 = 352,691,014.44 : x
  2. Step 2: Convert to fraction form
    564,752,340.51/779,116,476.39 = 352,691,014.44/x
  3. Step 3: Cross multiply
    564,752,340.51x = 779,116,476.39 × 352,691,014.44
  4. Step 4: Simplify right side
    564,752,340.51x = 274,787,380,424,907,392
  5. Step 5: Solve for x
    x = 274,787,380,424,907,392/564,752,340.51
  6. Step 6: Final answer
    x = 486,562,623.50

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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.