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Finding the Fourth Proportional to 3,746,303.38, 5,619,455.21 and 906,415.44

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Solution

The fourth proportional to 3,746,303.38, 5,619,455.21 and 906,415.44 is: 1,359,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746,303.38 : 5,619,455.21 = 906,415.44 : x
  2. Step 2: Convert to fraction form
    3,746,303.38/5,619,455.21 = 906,415.44/x
  3. Step 3: Cross multiply
    3,746,303.38x = 5,619,455.21 × 906,415.44
  4. Step 4: Simplify right side
    3,746,303.38x = 5,093,560,966,732.44
  5. Step 5: Solve for x
    x = 5,093,560,966,732.44/3,746,303.38
  6. Step 6: Final answer
    x = 1,359,623.19

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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.