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Finding the Fourth Proportional to 417,933.86, 576,755.43 and 236,640.95

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Solution

The fourth proportional to 417,933.86, 576,755.43 and 236,640.95 is: 326,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,933.86 : 576,755.43 = 236,640.95 : x
  2. Step 2: Convert to fraction form
    417,933.86/576,755.43 = 236,640.95/x
  3. Step 3: Cross multiply
    417,933.86x = 576,755.43 × 236,640.95
  4. Step 4: Simplify right side
    417,933.86x = 136,483,949,989.08
  5. Step 5: Solve for x
    x = 136,483,949,989.08/417,933.86
  6. Step 6: Final answer
    x = 326,568.30

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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.