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Finding the Fourth Proportional to 323,383.62, 485,075.46 and 123,765.24

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Solution

The fourth proportional to 323,383.62, 485,075.46 and 123,765.24 is: 185,647.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,383.62 : 485,075.46 = 123,765.24 : x
  2. Step 2: Convert to fraction form
    323,383.62/485,075.46 = 123,765.24/x
  3. Step 3: Cross multiply
    323,383.62x = 485,075.46 × 123,765.24
  4. Step 4: Simplify right side
    323,383.62x = 60,035,480,725.01
  5. Step 5: Solve for x
    x = 60,035,480,725.01/323,383.62
  6. Step 6: Final answer
    x = 185,647.87

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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.