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Finding the Fourth Proportional to 478,708.14, 718,185.24 and 179,193.03

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Solution

The fourth proportional to 478,708.14, 718,185.24 and 179,193.03 is: 268,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,708.14 : 718,185.24 = 179,193.03 : x
  2. Step 2: Convert to fraction form
    478,708.14/718,185.24 = 179,193.03/x
  3. Step 3: Cross multiply
    478,708.14x = 718,185.24 × 179,193.03
  4. Step 4: Simplify right side
    478,708.14x = 128,693,789,256.88
  5. Step 5: Solve for x
    x = 128,693,789,256.88/478,708.14
  6. Step 6: Final answer
    x = 268,835.60

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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.