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Finding the Fourth Proportional to 480,711.07, 720,558.12 and 181,062

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Solution

The fourth proportional to 480,711.07, 720,558.12 and 181,062 is: 271,401.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,711.07 : 720,558.12 = 181,062 : x
  2. Step 2: Convert to fraction form
    480,711.07/720,558.12 = 181,062/x
  3. Step 3: Cross multiply
    480,711.07x = 720,558.12 × 181,062
  4. Step 4: Simplify right side
    480,711.07x = 130,465,694,323.44
  5. Step 5: Solve for x
    x = 130,465,694,323.44/480,711.07
  6. Step 6: Final answer
    x = 271,401.48

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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.