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Finding the Fourth Proportional to 322,450.72, 483,728.28 and 97,758.40

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Solution

The fourth proportional to 322,450.72, 483,728.28 and 97,758.40 is: 146,653.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,450.72 : 483,728.28 = 97,758.40 : x
  2. Step 2: Convert to fraction form
    322,450.72/483,728.28 = 97,758.40/x
  3. Step 3: Cross multiply
    322,450.72x = 483,728.28 × 97,758.40
  4. Step 4: Simplify right side
    322,450.72x = 47,288,502,687.55
  5. Step 5: Solve for x
    x = 47,288,502,687.55/322,450.72
  6. Step 6: Final answer
    x = 146,653.43

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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.