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Finding the Fourth Proportional to 723,884.44, 998,799.82 and 417,894.39

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Solution

The fourth proportional to 723,884.44, 998,799.82 and 417,894.39 is: 576,601.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,884.44 : 998,799.82 = 417,894.39 : x
  2. Step 2: Convert to fraction form
    723,884.44/998,799.82 = 417,894.39/x
  3. Step 3: Cross multiply
    723,884.44x = 998,799.82 × 417,894.39
  4. Step 4: Simplify right side
    723,884.44x = 417,392,841,511.01
  5. Step 5: Solve for x
    x = 417,392,841,511.01/723,884.44
  6. Step 6: Final answer
    x = 576,601.48

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1.5x scale

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.