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Finding the Fourth Proportional to 716,488.64, 988,194.64 and 444,403.97

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Solution

The fourth proportional to 716,488.64, 988,194.64 and 444,403.97 is: 612,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,488.64 : 988,194.64 = 444,403.97 : x
  2. Step 2: Convert to fraction form
    716,488.64/988,194.64 = 444,403.97/x
  3. Step 3: Cross multiply
    716,488.64x = 988,194.64 × 444,403.97
  4. Step 4: Simplify right side
    716,488.64x = 439,157,618,926.70
  5. Step 5: Solve for x
    x = 439,157,618,926.70/716,488.64
  6. Step 6: Final answer
    x = 612,930.33

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Why These Related Problems?

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