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Finding the Fourth Proportional to 576,700.32, 864,786.96 and 177,201.84

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Solution

The fourth proportional to 576,700.32, 864,786.96 and 177,201.84 is: 265,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,700.32 : 864,786.96 = 177,201.84 : x
  2. Step 2: Convert to fraction form
    576,700.32/864,786.96 = 177,201.84/x
  3. Step 3: Cross multiply
    576,700.32x = 864,786.96 × 177,201.84
  4. Step 4: Simplify right side
    576,700.32x = 153,241,840,520.01
  5. Step 5: Solve for x
    x = 153,241,840,520.01/576,700.32
  6. Step 6: Final answer
    x = 265,721.79

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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.