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Finding the Fourth Proportional to 368,593,361.43, 508,655,815.86 and 201,329,729.31

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Solution

The fourth proportional to 368,593,361.43, 508,655,815.86 and 201,329,729.31 is: 277,833,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,593,361.43 : 508,655,815.86 = 201,329,729.31 : x
  2. Step 2: Convert to fraction form
    368,593,361.43/508,655,815.86 = 201,329,729.31/x
  3. Step 3: Cross multiply
    368,593,361.43x = 508,655,815.86 × 201,329,729.31
  4. Step 4: Simplify right side
    368,593,361.43x = 102,407,537,719,051,008
  5. Step 5: Solve for x
    x = 102,407,537,719,051,008/368,593,361.43
  6. Step 6: Final answer
    x = 277,833,375.30

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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.