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Finding the Fourth Proportional to 296,887.87, 409,749.04 and 188,002.15

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Solution

The fourth proportional to 296,887.87, 409,749.04 and 188,002.15 is: 259,470.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,887.87 : 409,749.04 = 188,002.15 : x
  2. Step 2: Convert to fraction form
    296,887.87/409,749.04 = 188,002.15/x
  3. Step 3: Cross multiply
    296,887.87x = 409,749.04 × 188,002.15
  4. Step 4: Simplify right side
    296,887.87x = 77,033,700,480.44
  5. Step 5: Solve for x
    x = 77,033,700,480.44/296,887.87
  6. Step 6: Final answer
    x = 259,470.69

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1.5x scale

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.