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Finding the Fourth Proportional to 718,952.68, 996,348.84 and 708,805

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Solution

The fourth proportional to 718,952.68, 996,348.84 and 708,805 is: 982,285.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,952.68 : 996,348.84 = 708,805 : x
  2. Step 2: Convert to fraction form
    718,952.68/996,348.84 = 708,805/x
  3. Step 3: Cross multiply
    718,952.68x = 996,348.84 × 708,805
  4. Step 4: Simplify right side
    718,952.68x = 706,217,039,536.20
  5. Step 5: Solve for x
    x = 706,217,039,536.20/718,952.68
  6. Step 6: Final answer
    x = 982,285.84

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.