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Finding the Fourth Proportional to 354,228.62, 488,828.21 and 193,082.27

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Solution

The fourth proportional to 354,228.62, 488,828.21 and 193,082.27 is: 266,449.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,228.62 : 488,828.21 = 193,082.27 : x
  2. Step 2: Convert to fraction form
    354,228.62/488,828.21 = 193,082.27/x
  3. Step 3: Cross multiply
    354,228.62x = 488,828.21 × 193,082.27
  4. Step 4: Simplify right side
    354,228.62x = 94,384,057,017.28
  5. Step 5: Solve for x
    x = 94,384,057,017.28/354,228.62
  6. Step 6: Final answer
    x = 266,449.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.