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Finding the Fourth Proportional to 480,750.45, 720,617.19 and 181,101.36

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Solution

The fourth proportional to 480,750.45, 720,617.19 and 181,101.36 is: 271,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,750.45 : 720,617.19 = 181,101.36 : x
  2. Step 2: Convert to fraction form
    480,750.45/720,617.19 = 181,101.36/x
  3. Step 3: Cross multiply
    480,750.45x = 720,617.19 × 181,101.36
  4. Step 4: Simplify right side
    480,750.45x = 130,504,753,148.38
  5. Step 5: Solve for x
    x = 130,504,753,148.38/480,750.45
  6. Step 6: Final answer
    x = 271,460.49

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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.