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Finding the Fourth Proportional to 303,046.48, 454,571.98 and 134,521.49

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Solution

The fourth proportional to 303,046.48, 454,571.98 and 134,521.49 is: 201,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,046.48 : 454,571.98 = 134,521.49 : x
  2. Step 2: Convert to fraction form
    303,046.48/454,571.98 = 134,521.49/x
  3. Step 3: Cross multiply
    303,046.48x = 454,571.98 × 134,521.49
  4. Step 4: Simplify right side
    303,046.48x = 61,149,701,618.66
  5. Step 5: Solve for x
    x = 61,149,701,618.66/303,046.48
  6. Step 6: Final answer
    x = 201,783.24

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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.