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Finding the Fourth Proportional to 303,190.16, 454,037.90 and 190,591.10

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Solution

The fourth proportional to 303,190.16, 454,037.90 and 190,591.10 is: 285,416.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,190.16 : 454,037.90 = 190,591.10 : x
  2. Step 2: Convert to fraction form
    303,190.16/454,037.90 = 190,591.10/x
  3. Step 3: Cross multiply
    303,190.16x = 454,037.90 × 190,591.10
  4. Step 4: Simplify right side
    303,190.16x = 86,535,582,802.69
  5. Step 5: Solve for x
    x = 86,535,582,802.69/303,190.16
  6. Step 6: Final answer
    x = 285,416.86

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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.