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Finding the Fourth Proportional to 480,611.27, 720,966.22 and 181,343.68

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Solution

The fourth proportional to 480,611.27, 720,966.22 and 181,343.68 is: 272,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,611.27 : 720,966.22 = 181,343.68 : x
  2. Step 2: Convert to fraction form
    480,611.27/720,966.22 = 181,343.68/x
  3. Step 3: Cross multiply
    480,611.27x = 720,966.22 × 181,343.68
  4. Step 4: Simplify right side
    480,611.27x = 130,742,665,234.72
  5. Step 5: Solve for x
    x = 130,742,665,234.72/480,611.27
  6. Step 6: Final answer
    x = 272,034.12

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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.