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Finding the Fourth Proportional to 293,906.99, 402,949.91 and 288,592.58

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Solution

The fourth proportional to 293,906.99, 402,949.91 and 288,592.58 is: 395,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,906.99 : 402,949.91 = 288,592.58 : x
  2. Step 2: Convert to fraction form
    293,906.99/402,949.91 = 288,592.58/x
  3. Step 3: Cross multiply
    293,906.99x = 402,949.91 × 288,592.58
  4. Step 4: Simplify right side
    293,906.99x = 116,288,354,137.67
  5. Step 5: Solve for x
    x = 116,288,354,137.67/293,906.99
  6. Step 6: Final answer
    x = 395,663.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.