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Finding the Fourth Proportional to 239,538,844.80, 358,636,420.80 and 232,820,380.80

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Solution

The fourth proportional to 239,538,844.80, 358,636,420.80 and 232,820,380.80 is: 348,577,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,538,844.80 : 358,636,420.80 = 232,820,380.80 : x
  2. Step 2: Convert to fraction form
    239,538,844.80/358,636,420.80 = 232,820,380.80/x
  3. Step 3: Cross multiply
    239,538,844.80x = 358,636,420.80 × 232,820,380.80
  4. Step 4: Simplify right side
    239,538,844.80x = 83,497,868,059,405,040
  5. Step 5: Solve for x
    x = 83,497,868,059,405,040/239,538,844.80
  6. Step 6: Final answer
    x = 348,577,568.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.