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Finding the Fourth Proportional to 949,244, 1,309,631 and 541,051.40

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Solution

The fourth proportional to 949,244, 1,309,631 and 541,051.40 is: 746,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,244 : 1,309,631 = 541,051.40 : x
  2. Step 2: Convert to fraction form
    949,244/1,309,631 = 541,051.40/x
  3. Step 3: Cross multiply
    949,244x = 1,309,631 × 541,051.40
  4. Step 4: Simplify right side
    949,244x = 708,577,686,033.40
  5. Step 5: Solve for x
    x = 708,577,686,033.40/949,244
  6. Step 6: Final answer
    x = 746,465.28

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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.