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Finding the Fourth Proportional to 481,803.16, 722,458.71 and 178,181.95

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Solution

The fourth proportional to 481,803.16, 722,458.71 and 178,181.95 is: 267,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,803.16 : 722,458.71 = 178,181.95 : x
  2. Step 2: Convert to fraction form
    481,803.16/722,458.71 = 178,181.95/x
  3. Step 3: Cross multiply
    481,803.16x = 722,458.71 × 178,181.95
  4. Step 4: Simplify right side
    481,803.16x = 128,729,101,742.29
  5. Step 5: Solve for x
    x = 128,729,101,742.29/481,803.16
  6. Step 6: Final answer
    x = 267,181.94

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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.