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Finding the Fourth Proportional to 403,924.77, 557,383.41 and 234,169.83

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Solution

The fourth proportional to 403,924.77, 557,383.41 and 234,169.83 is: 323,135.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,924.77 : 557,383.41 = 234,169.83 : x
  2. Step 2: Convert to fraction form
    403,924.77/557,383.41 = 234,169.83/x
  3. Step 3: Cross multiply
    403,924.77x = 557,383.41 × 234,169.83
  4. Step 4: Simplify right side
    403,924.77x = 130,522,378,364.52
  5. Step 5: Solve for x
    x = 130,522,378,364.52/403,924.77
  6. Step 6: Final answer
    x = 323,135.37

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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.