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Finding the Fourth Proportional to 452,259.24, 678,388.86 and 171,775.80

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Solution

The fourth proportional to 452,259.24, 678,388.86 and 171,775.80 is: 257,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,259.24 : 678,388.86 = 171,775.80 : x
  2. Step 2: Convert to fraction form
    452,259.24/678,388.86 = 171,775.80/x
  3. Step 3: Cross multiply
    452,259.24x = 678,388.86 × 171,775.80
  4. Step 4: Simplify right side
    452,259.24x = 116,530,789,137.59
  5. Step 5: Solve for x
    x = 116,530,789,137.59/452,259.24
  6. Step 6: Final answer
    x = 257,663.70

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Similar ratio
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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.