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Finding the Fourth Proportional to 796,358, 1,098,974.10 and 438,662

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Solution

The fourth proportional to 796,358, 1,098,974.10 and 438,662 is: 605,353.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,358 : 1,098,974.10 = 438,662 : x
  2. Step 2: Convert to fraction form
    796,358/1,098,974.10 = 438,662/x
  3. Step 3: Cross multiply
    796,358x = 1,098,974.10 × 438,662
  4. Step 4: Simplify right side
    796,358x = 482,078,176,654.20
  5. Step 5: Solve for x
    x = 482,078,176,654.20/796,358
  6. Step 6: Final answer
    x = 605,353.59

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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.