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Finding the Fourth Proportional to 411,480.87, 566,581.89 and 360,206.67

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Solution

The fourth proportional to 411,480.87, 566,581.89 and 360,206.67 is: 495,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,480.87 : 566,581.89 = 360,206.67 : x
  2. Step 2: Convert to fraction form
    411,480.87/566,581.89 = 360,206.67/x
  3. Step 3: Cross multiply
    411,480.87x = 566,581.89 × 360,206.67
  4. Step 4: Simplify right side
    411,480.87x = 204,086,575,879.21
  5. Step 5: Solve for x
    x = 204,086,575,879.21/411,480.87
  6. Step 6: Final answer
    x = 495,980.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.