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Finding the Fourth Proportional to 313,045.52, 469,469.73 and 102,634.25

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Solution

The fourth proportional to 313,045.52, 469,469.73 and 102,634.25 is: 153,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,045.52 : 469,469.73 = 102,634.25 : x
  2. Step 2: Convert to fraction form
    313,045.52/469,469.73 = 102,634.25/x
  3. Step 3: Cross multiply
    313,045.52x = 469,469.73 × 102,634.25
  4. Step 4: Simplify right side
    313,045.52x = 48,183,673,636.25
  5. Step 5: Solve for x
    x = 48,183,673,636.25/313,045.52
  6. Step 6: Final answer
    x = 153,919.06

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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.