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Finding the Fourth Proportional to 484,481.40, 726,851.70 and 344,513.40

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Solution

The fourth proportional to 484,481.40, 726,851.70 and 344,513.40 is: 516,862.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,481.40 : 726,851.70 = 344,513.40 : x
  2. Step 2: Convert to fraction form
    484,481.40/726,851.70 = 344,513.40/x
  3. Step 3: Cross multiply
    484,481.40x = 726,851.70 × 344,513.40
  4. Step 4: Simplify right side
    484,481.40x = 250,410,150,462.78
  5. Step 5: Solve for x
    x = 250,410,150,462.78/484,481.40
  6. Step 6: Final answer
    x = 516,862.26

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1.5x scale

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.