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Finding the Fourth Proportional to 796,249, 1,098,823.62 and 438,553

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Solution

The fourth proportional to 796,249, 1,098,823.62 and 438,553 is: 605,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,249 : 1,098,823.62 = 438,553 : x
  2. Step 2: Convert to fraction form
    796,249/1,098,823.62 = 438,553/x
  3. Step 3: Cross multiply
    796,249x = 1,098,823.62 × 438,553
  4. Step 4: Simplify right side
    796,249x = 481,892,395,021.86
  5. Step 5: Solve for x
    x = 481,892,395,021.86/796,249
  6. Step 6: Final answer
    x = 605,203.14

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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.