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Finding the Fourth Proportional to 1,249,069, 1,873,655.34 and 362,605

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Solution

The fourth proportional to 1,249,069, 1,873,655.34 and 362,605 is: 543,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,069 : 1,873,655.34 = 362,605 : x
  2. Step 2: Convert to fraction form
    1,249,069/1,873,655.34 = 362,605/x
  3. Step 3: Cross multiply
    1,249,069x = 1,873,655.34 × 362,605
  4. Step 4: Simplify right side
    1,249,069x = 679,396,794,560.70
  5. Step 5: Solve for x
    x = 679,396,794,560.70/1,249,069
  6. Step 6: Final answer
    x = 543,922.55

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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.