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Finding the Fourth Proportional to 483,992.40, 726,134.40 and 344,024.40

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Solution

The fourth proportional to 483,992.40, 726,134.40 and 344,024.40 is: 516,140.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,992.40 : 726,134.40 = 344,024.40 : x
  2. Step 2: Convert to fraction form
    483,992.40/726,134.40 = 344,024.40/x
  3. Step 3: Cross multiply
    483,992.40x = 726,134.40 × 344,024.40
  4. Step 4: Simplify right side
    483,992.40x = 249,807,951,279.36
  5. Step 5: Solve for x
    x = 249,807,951,279.36/483,992.40
  6. Step 6: Final answer
    x = 516,140.24

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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.