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Finding the Fourth Proportional to 552,991,993.80, 763,140,201.04 and 302,112,635.10

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Solution

The fourth proportional to 552,991,993.80, 763,140,201.04 and 302,112,635.10 is: 416,921,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,991,993.80 : 763,140,201.04 = 302,112,635.10 : x
  2. Step 2: Convert to fraction form
    552,991,993.80/763,140,201.04 = 302,112,635.10/x
  3. Step 3: Cross multiply
    552,991,993.80x = 763,140,201.04 × 302,112,635.10
  4. Step 4: Simplify right side
    552,991,993.80x = 230,554,297,086,938,176
  5. Step 5: Solve for x
    x = 230,554,297,086,938,176/552,991,993.80
  6. Step 6: Final answer
    x = 416,921,582.36

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