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Finding the Fourth Proportional to 655,713.93, 983,484.76 and 206,437.15

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Solution

The fourth proportional to 655,713.93, 983,484.76 and 206,437.15 is: 309,628.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,713.93 : 983,484.76 = 206,437.15 : x
  2. Step 2: Convert to fraction form
    655,713.93/983,484.76 = 206,437.15/x
  3. Step 3: Cross multiply
    655,713.93x = 983,484.76 × 206,437.15
  4. Step 4: Simplify right side
    655,713.93x = 203,027,790,922.83
  5. Step 5: Solve for x
    x = 203,027,790,922.83/655,713.93
  6. Step 6: Final answer
    x = 309,628.61

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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.