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Finding the Fourth Proportional to 576,840.33, 864,943.38 and 177,370.20

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Solution

The fourth proportional to 576,840.33, 864,943.38 and 177,370.20 is: 265,957.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,840.33 : 864,943.38 = 177,370.20 : x
  2. Step 2: Convert to fraction form
    576,840.33/864,943.38 = 177,370.20/x
  3. Step 3: Cross multiply
    576,840.33x = 864,943.38 × 177,370.20
  4. Step 4: Simplify right side
    576,840.33x = 153,415,180,299.28
  5. Step 5: Solve for x
    x = 153,415,180,299.28/576,840.33
  6. Step 6: Final answer
    x = 265,957.79

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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.