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Finding the Fourth Proportional to 313,371.99, 432,024.89 and 215,252.24

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Solution

The fourth proportional to 313,371.99, 432,024.89 and 215,252.24 is: 296,753.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,371.99 : 432,024.89 = 215,252.24 : x
  2. Step 2: Convert to fraction form
    313,371.99/432,024.89 = 215,252.24/x
  3. Step 3: Cross multiply
    313,371.99x = 432,024.89 × 215,252.24
  4. Step 4: Simplify right side
    313,371.99x = 92,994,322,071.87
  5. Step 5: Solve for x
    x = 92,994,322,071.87/313,371.99
  6. Step 6: Final answer
    x = 296,753.78

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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.