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Finding the Fourth Proportional to 1,249,192, 1,873,839.84 and 362,728

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Solution

The fourth proportional to 1,249,192, 1,873,839.84 and 362,728 is: 544,107.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,192 : 1,873,839.84 = 362,728 : x
  2. Step 2: Convert to fraction form
    1,249,192/1,873,839.84 = 362,728/x
  3. Step 3: Cross multiply
    1,249,192x = 1,873,839.84 × 362,728
  4. Step 4: Simplify right side
    1,249,192x = 679,694,177,483.52
  5. Step 5: Solve for x
    x = 679,694,177,483.52/1,249,192
  6. Step 6: Final answer
    x = 544,107.05

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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.