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Finding the Fourth Proportional to 718,951.68, 996,347.45 and 708,804

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Solution

The fourth proportional to 718,951.68, 996,347.45 and 708,804 is: 982,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,951.68 : 996,347.45 = 708,804 : x
  2. Step 2: Convert to fraction form
    718,951.68/996,347.45 = 708,804/x
  3. Step 3: Cross multiply
    718,951.68x = 996,347.45 × 708,804
  4. Step 4: Simplify right side
    718,951.68x = 706,215,059,721.81
  5. Step 5: Solve for x
    x = 706,215,059,721.81/718,951.68
  6. Step 6: Final answer
    x = 982,284.46

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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.