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Finding the Fourth Proportional to 417,571.77, 576,249.55 and 236,280.06

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Solution

The fourth proportional to 417,571.77, 576,249.55 and 236,280.06 is: 326,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,571.77 : 576,249.55 = 236,280.06 : x
  2. Step 2: Convert to fraction form
    417,571.77/576,249.55 = 236,280.06/x
  3. Step 3: Cross multiply
    417,571.77x = 576,249.55 × 236,280.06
  4. Step 4: Simplify right side
    417,571.77x = 136,156,280,940.32
  5. Step 5: Solve for x
    x = 136,156,280,940.32/417,571.77
  6. Step 6: Final answer
    x = 326,066.78

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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.