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Finding the Fourth Proportional to 1,696,828.86, 2,341,613.98 and 961,921.84

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Solution

The fourth proportional to 1,696,828.86, 2,341,613.98 and 961,921.84 is: 1,327,446.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,828.86 : 2,341,613.98 = 961,921.84 : x
  2. Step 2: Convert to fraction form
    1,696,828.86/2,341,613.98 = 961,921.84/x
  3. Step 3: Cross multiply
    1,696,828.86x = 2,341,613.98 × 961,921.84
  4. Step 4: Simplify right side
    1,696,828.86x = 2,252,449,628,211.32
  5. Step 5: Solve for x
    x = 2,252,449,628,211.32/1,696,828.86
  6. Step 6: Final answer
    x = 1,327,446.56

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.