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Finding the Fourth Proportional to 250,780.36, 375,928.62 and 84,477.64

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Solution

The fourth proportional to 250,780.36, 375,928.62 and 84,477.64 is: 126,634.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,780.36 : 375,928.62 = 84,477.64 : x
  2. Step 2: Convert to fraction form
    250,780.36/375,928.62 = 84,477.64/x
  3. Step 3: Cross multiply
    250,780.36x = 375,928.62 × 84,477.64
  4. Step 4: Simplify right side
    250,780.36x = 31,757,562,626.06
  5. Step 5: Solve for x
    x = 31,757,562,626.06/250,780.36
  6. Step 6: Final answer
    x = 126,634.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.