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Finding the Fourth Proportional to 322,306.02, 483,322.33 and 153,631.21

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Solution

The fourth proportional to 322,306.02, 483,322.33 and 153,631.21 is: 230,381.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,306.02 : 483,322.33 = 153,631.21 : x
  2. Step 2: Convert to fraction form
    322,306.02/483,322.33 = 153,631.21/x
  3. Step 3: Cross multiply
    322,306.02x = 483,322.33 × 153,631.21
  4. Step 4: Simplify right side
    322,306.02x = 74,253,394,377.92
  5. Step 5: Solve for x
    x = 74,253,394,377.92/322,306.02
  6. Step 6: Final answer
    x = 230,381.66

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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.