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Finding the Fourth Proportional to 303,253.02, 454,131.99 and 190,653.90

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Solution

The fourth proportional to 303,253.02, 454,131.99 and 190,653.90 is: 285,510.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,253.02 : 454,131.99 = 190,653.90 : x
  2. Step 2: Convert to fraction form
    303,253.02/454,131.99 = 190,653.90/x
  3. Step 3: Cross multiply
    303,253.02x = 454,131.99 × 190,653.90
  4. Step 4: Simplify right side
    303,253.02x = 86,582,035,008.26
  5. Step 5: Solve for x
    x = 86,582,035,008.26/303,253.02
  6. Step 6: Final answer
    x = 285,510.87

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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.