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Finding the Fourth Proportional to 1,964,892.49, 2,947,338.60 and 544,948.54

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Solution

The fourth proportional to 1,964,892.49, 2,947,338.60 and 544,948.54 is: 817,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964,892.49 : 2,947,338.60 = 544,948.54 : x
  2. Step 2: Convert to fraction form
    1,964,892.49/2,947,338.60 = 544,948.54/x
  3. Step 3: Cross multiply
    1,964,892.49x = 2,947,338.60 × 544,948.54
  4. Step 4: Simplify right side
    1,964,892.49x = 1,606,147,866,955.64
  5. Step 5: Solve for x
    x = 1,606,147,866,955.64/1,964,892.49
  6. Step 6: Final answer
    x = 817,422.77

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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.