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Finding the Fourth Proportional to 323,735.80, 485,603.70 and 183,767.80

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Solution

The fourth proportional to 323,735.80, 485,603.70 and 183,767.80 is: 275,651.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,735.80 : 485,603.70 = 183,767.80 : x
  2. Step 2: Convert to fraction form
    323,735.80/485,603.70 = 183,767.80/x
  3. Step 3: Cross multiply
    323,735.80x = 485,603.70 × 183,767.80
  4. Step 4: Simplify right side
    323,735.80x = 89,238,323,620.86
  5. Step 5: Solve for x
    x = 89,238,323,620.86/323,735.80
  6. Step 6: Final answer
    x = 275,651.70

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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.