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Finding the Fourth Proportional to 322,473.69, 483,709.01 and 82,587.12

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Solution

The fourth proportional to 322,473.69, 483,709.01 and 82,587.12 is: 123,880.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,473.69 : 483,709.01 = 82,587.12 : x
  2. Step 2: Convert to fraction form
    322,473.69/483,709.01 = 82,587.12/x
  3. Step 3: Cross multiply
    322,473.69x = 483,709.01 × 82,587.12
  4. Step 4: Simplify right side
    322,473.69x = 39,948,133,641.02
  5. Step 5: Solve for x
    x = 39,948,133,641.02/322,473.69
  6. Step 6: Final answer
    x = 123,880.29

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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.