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Finding the Fourth Proportional to 517,146.82, 775,205.53 and 246,959.12

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Solution

The fourth proportional to 517,146.82, 775,205.53 and 246,959.12 is: 370,192.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,146.82 : 775,205.53 = 246,959.12 : x
  2. Step 2: Convert to fraction form
    517,146.82/775,205.53 = 246,959.12/x
  3. Step 3: Cross multiply
    517,146.82x = 775,205.53 × 246,959.12
  4. Step 4: Simplify right side
    517,146.82x = 191,444,071,811.99
  5. Step 5: Solve for x
    x = 191,444,071,811.99/517,146.82
  6. Step 6: Final answer
    x = 370,192.88

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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.