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Finding the Fourth Proportional to 723,698.46, 999,046.71 and 482,383.26

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Solution

The fourth proportional to 723,698.46, 999,046.71 and 482,383.26 is: 665,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,698.46 : 999,046.71 = 482,383.26 : x
  2. Step 2: Convert to fraction form
    723,698.46/999,046.71 = 482,383.26/x
  3. Step 3: Cross multiply
    723,698.46x = 999,046.71 × 482,383.26
  4. Step 4: Simplify right side
    723,698.46x = 481,923,408,862.08
  5. Step 5: Solve for x
    x = 481,923,408,862.08/723,698.46
  6. Step 6: Final answer
    x = 665,917.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.