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Finding the Fourth Proportional to 598,178.73, 825,338.97 and 353,169.20

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Solution

The fourth proportional to 598,178.73, 825,338.97 and 353,169.20 is: 487,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,178.73 : 825,338.97 = 353,169.20 : x
  2. Step 2: Convert to fraction form
    598,178.73/825,338.97 = 353,169.20/x
  3. Step 3: Cross multiply
    598,178.73x = 825,338.97 × 353,169.20
  4. Step 4: Simplify right side
    598,178.73x = 291,484,308,395.32
  5. Step 5: Solve for x
    x = 291,484,308,395.32/598,178.73
  6. Step 6: Final answer
    x = 487,286.31

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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.