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Finding the Fourth Proportional to 303,221.84, 454,937.60 and 103,682.64

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Solution

The fourth proportional to 303,221.84, 454,937.60 and 103,682.64 is: 155,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,221.84 : 454,937.60 = 103,682.64 : x
  2. Step 2: Convert to fraction form
    303,221.84/454,937.60 = 103,682.64/x
  3. Step 3: Cross multiply
    303,221.84x = 454,937.60 × 103,682.64
  4. Step 4: Simplify right side
    303,221.84x = 47,169,131,403.26
  5. Step 5: Solve for x
    x = 47,169,131,403.26/303,221.84
  6. Step 6: Final answer
    x = 155,559.81

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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.