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Finding the Fourth Proportional to 627,826.64, 941,719.12 and 272,841

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Solution

The fourth proportional to 627,826.64, 941,719.12 and 272,841 is: 409,252.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,826.64 : 941,719.12 = 272,841 : x
  2. Step 2: Convert to fraction form
    627,826.64/941,719.12 = 272,841/x
  3. Step 3: Cross multiply
    627,826.64x = 941,719.12 × 272,841
  4. Step 4: Simplify right side
    627,826.64x = 256,939,586,419.92
  5. Step 5: Solve for x
    x = 256,939,586,419.92/627,826.64
  6. Step 6: Final answer
    x = 409,252.44

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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.