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Finding the Fourth Proportional to 370,892.97, 511,835.52 and 201,127.11

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Solution

The fourth proportional to 370,892.97, 511,835.52 and 201,127.11 is: 277,557.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,892.97 : 511,835.52 = 201,127.11 : x
  2. Step 2: Convert to fraction form
    370,892.97/511,835.52 = 201,127.11/x
  3. Step 3: Cross multiply
    370,892.97x = 511,835.52 × 201,127.11
  4. Step 4: Simplify right side
    370,892.97x = 102,943,998,932.95
  5. Step 5: Solve for x
    x = 102,943,998,932.95/370,892.97
  6. Step 6: Final answer
    x = 277,557.16

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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.