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Finding the Fourth Proportional to 322,247.30, 483,254.30 and 153,760.82

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Solution

The fourth proportional to 322,247.30, 483,254.30 and 153,760.82 is: 230,585.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,247.30 : 483,254.30 = 153,760.82 : x
  2. Step 2: Convert to fraction form
    322,247.30/483,254.30 = 153,760.82/x
  3. Step 3: Cross multiply
    322,247.30x = 483,254.30 × 153,760.82
  4. Step 4: Simplify right side
    322,247.30x = 74,305,575,404.66
  5. Step 5: Solve for x
    x = 74,305,575,404.66/322,247.30
  6. Step 6: Final answer
    x = 230,585.57

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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.