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Finding the Fourth Proportional to 483,823.49, 666,691.75 and 374,262.22

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Solution

The fourth proportional to 483,823.49, 666,691.75 and 374,262.22 is: 515,720.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,823.49 : 666,691.75 = 374,262.22 : x
  2. Step 2: Convert to fraction form
    483,823.49/666,691.75 = 374,262.22/x
  3. Step 3: Cross multiply
    483,823.49x = 666,691.75 × 374,262.22
  4. Step 4: Simplify right side
    483,823.49x = 249,517,534,410.69
  5. Step 5: Solve for x
    x = 249,517,534,410.69/483,823.49
  6. Step 6: Final answer
    x = 515,720.17

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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.