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Finding the Fourth Proportional to 303,481.84, 454,638.54 and 189,674.14

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Solution

The fourth proportional to 303,481.84, 454,638.54 and 189,674.14 is: 284,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,481.84 : 454,638.54 = 189,674.14 : x
  2. Step 2: Convert to fraction form
    303,481.84/454,638.54 = 189,674.14/x
  3. Step 3: Cross multiply
    303,481.84x = 454,638.54 × 189,674.14
  4. Step 4: Simplify right side
    303,481.84x = 86,233,174,085.36
  5. Step 5: Solve for x
    x = 86,233,174,085.36/303,481.84
  6. Step 6: Final answer
    x = 284,146.08

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1.5x scale

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.