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Finding the Fourth Proportional to 554,083.88, 831,081.40 and 246,431.12

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Solution

The fourth proportional to 554,083.88, 831,081.40 and 246,431.12 is: 369,626.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,083.88 : 831,081.40 = 246,431.12 : x
  2. Step 2: Convert to fraction form
    554,083.88/831,081.40 = 246,431.12/x
  3. Step 3: Cross multiply
    554,083.88x = 831,081.40 × 246,431.12
  4. Step 4: Simplify right side
    554,083.88x = 204,804,320,213.17
  5. Step 5: Solve for x
    x = 204,804,320,213.17/554,083.88
  6. Step 6: Final answer
    x = 369,626.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.