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Finding the Fourth Proportional to 264,914.70, 396,464.85 and 159,809.10

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Solution

The fourth proportional to 264,914.70, 396,464.85 and 159,809.10 is: 239,166.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,914.70 : 396,464.85 = 159,809.10 : x
  2. Step 2: Convert to fraction form
    264,914.70/396,464.85 = 159,809.10/x
  3. Step 3: Cross multiply
    264,914.70x = 396,464.85 × 159,809.10
  4. Step 4: Simplify right side
    264,914.70x = 63,358,690,860.14
  5. Step 5: Solve for x
    x = 63,358,690,860.14/264,914.70
  6. Step 6: Final answer
    x = 239,166.38

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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.