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Finding the Fourth Proportional to 480,697.52, 721,045.36 and 181,245.27

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Solution

The fourth proportional to 480,697.52, 721,045.36 and 181,245.27 is: 271,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,697.52 : 721,045.36 = 181,245.27 : x
  2. Step 2: Convert to fraction form
    480,697.52/721,045.36 = 181,245.27/x
  3. Step 3: Cross multiply
    480,697.52x = 721,045.36 × 181,245.27
  4. Step 4: Simplify right side
    480,697.52x = 130,686,060,955.45
  5. Step 5: Solve for x
    x = 130,686,060,955.45/480,697.52
  6. Step 6: Final answer
    x = 271,867.56

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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.